A nurse is teaching a client who has stable angina and a new prescription for nitroglycerin transdermal patches 0.8 mg/hr daily. Which of the following statements by the client indicates an understanding of the teaching?
Rationale:
Direct Answer: I will take the patch off after dinner every night.
Correct Option Explanation: Removing the nitroglycerin patch daily allows for a nitrate-free interval, preventing tolerance and maintaining drug effectiveness. This break reduces the risk of diminished therapeutic response. Applying the patch in the morning and removing it at night aligns with recommended administration for stable angina management, ensuring continuous benefit without loss of drug efficacy.
B: I will apply a new patch to the same site whenever I replace it. Repeated use of the same site can cause skin irritation and reduce absorption, making this practice unsuitable for optimal transdermal therapy.
C: I can cut the patches in half to save money. Cutting patches compromises dose accuracy and drug delivery, which can lead to ineffective treatment or adverse effects in managing stable angina.
D: I can put a second patch on if I have chest pain. Applying multiple patches risks overdose and severe hypotension; nitroglycerin patches are not for acute chest pain relief and require careful dosing.
A nurse is teaching a client who has a new prescription for erythromycin. Which of the following Information should the nurse include?
Rationale:
Monitor for ringing in your ears.
Erythromycin can cause ototoxicity, which may present as tinnitus or ringing in the ears. Monitoring for this symptom helps detect early signs of toxicity, allowing prompt intervention. This precaution is essential to prevent permanent hearing damage. Educating clients about potential side effects promotes adherence and timely reporting, enhancing safety during erythromycin therapy.
B: Expect your skin to turn yellow. This symptom is more characteristic of liver dysfunction or jaundice, not a common or direct effect of erythromycin use.
C: Increase fiber intake to prevent constipation. Erythromycin is more likely to cause diarrhea due to its effect on gut motility, so fiber increase is not a typical recommendation.
D: Take this medication with a glass of grapefruit juice. Grapefruit juice can interfere with many drugs’ metabolism, but erythromycin is not typically contraindicated with it, making this advice inaccurate.
Gas exchange occurs in which of the following structures?
Rationale:
Gas exchange occurs in the alveoli.
The alveoli are tiny, grape-like air sacs within the lungs specifically designed for efficient gas exchange. Their extremely thin walls, combined with a rich capillary network, facilitate the rapid diffusion of oxygen into the bloodstream and carbon dioxide out of it. This specialized microstructure maximizes surface area, ensuring optimal respiratory function by enabling the crucial transfer of gases between air and blood.
A: bronchi The bronchi are conducting airways that transport air to and from the lungs, but their primary role is air conduction and purification, not the actual diffusion of respiratory gases across membranes.
B: nasal passages The nasal passages warm, humidify, and filter inhaled air before it reaches the lower respiratory tract, serving as an initial entry point for respiration, not a site for gas exchange.
D: larynx The larynx, or voice box, is crucial for phonation and protecting the trachea from aspirated food, but it lacks the specialized cellular structure required for respiratory gas diffusion.
A nurse is monitoring for an infusion reaction for a client who is receiving a dose of IV amphotericin B. Which of the following findings should indicate to the nurse that the client is experiencing an acute infusion reaction?
Rationale:
Fever indicates that the client is experiencing an acute infusion reaction to amphotericin B.
Amphotericin B, a potent antifungal, frequently triggers acute infusion-related reactions due to cytokine release. Fever is a classic and common systemic manifestation, often accompanied by chills, rigors, and malaise, appearing within 1-3 hours of starting the infusion. Prompt recognition of this pyretic response is crucial for timely intervention, such as slowing the infusion or administering antipyretics, to manage patient discomfort and prevent further complications.
A: Pedal edema. Pedal edema is a localized fluid retention symptom, not typically associated with the immediate, systemic inflammatory response characteristic of an acute amphotericin B infusion reaction.
C: Dry cough. A dry cough is a respiratory symptom that could indicate various irritations or conditions, but it is not a primary or characteristic sign of an acute, systemic amphotericin B infusion reaction.
D: Hyperglycemia. Hyperglycemia, an elevated blood glucose level, is a metabolic disturbance that does not directly or acutely manifest as a typical inflammatory response to an amphotericin B infusion.
The nurse has provided education to a patient with diabetes who is starting on insulin injections. The nurse asks the patient, “What should you do if your fasting blood glucose is 57 mg/dL?†Which response by the patient would indicate an understanding of the education provided?
Rationale:
"I will take an oral form of glucose" indicates understanding of managing hypoglycemia.
A fasting blood glucose of 57 mg/dL signifies hypoglycemia, a critical condition requiring immediate intervention. Oral glucose rapidly elevates blood sugar, counteracting the dangerously low levels. This proactive self-treatment prevents severe complications like loss of consciousness or seizures, demonstrating the patient's grasp of essential diabetes self-management education for insulin users.
A: I will call my doctor right away. Calling the doctor is not the immediate first action for acute hypoglycemia; rapid glucose intake is paramount to prevent immediate adverse events.
B: I will rest until the symptoms pass. Resting does not address the physiological need for increased blood glucose; delaying treatment allows the blood sugar to drop further, worsening the hypoglycemic state.
D: I will give myself the regular insulin. Administering insulin when blood glucose is already 57 mg/dL would critically lower sugar levels further, causing severe and life-threatening hypoglycemia.
The physician orders an albuterol nebulizer. What assessments should the nurse plan to complete after administering the albuterol?
Rationale:
The nurse should plan to complete assessments of respiratory rate and pulse, pulse oximetry, and lung sounds after administering albuterol.
Albuterol is a bronchodilator that improves airflow. Post-administration, assessing respiratory rate and lung sounds directly evaluates its effectiveness in reducing bronchospasm and improving breathing effort. Monitoring pulse oximetry quantifies oxygen saturation, reflecting improved gas exchange. Additionally, albuterol can cause tachycardia, so pulse assessment is crucial for monitoring potential adverse effects. These combined assessments provide a comprehensive picture of the patient's respiratory status and response.
C: Capillary refill Capillary refill primarily assesses peripheral perfusion and hydration status. While general circulatory function is important, albuterol's direct impact and the primary post-nebulizer assessment focus are not on this specific circulatory indicator.
D: Glucose Albuterol is not known to significantly alter blood glucose levels in the acute care setting for respiratory treatment. Glucose monitoring is irrelevant to evaluating the immediate therapeutic effects or common side effects of this bronchodilator.
A nurse is providing discharge teaching to the parent of child who is prescribed diphenhydramine 75 mg elixir every 4 hr as needed. The amount available is diphenhydramine elixir 25 mg/2.5mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
Rationale:
The nurse should administer 7.5 mL per dose.
To calculate the correct dosage, divide the prescribed dose (75 mg) by the available concentration (25 mg/2.5 mL). This involves setting up the ratio: (75 mg / 25 mg) multiplied by the volume (2.5 mL). The calculation simplifies to 3 multiplied by 2.5 mL, resulting in 7.5 mL. This ensures the child receives the exact ordered amount of medication precisely.
A nurse is preparing to administer heparin subcutaneously to a client. Which of the following actions should the nurse plan to take to minimize bleeding following the injection?
Rationale:
Grasping skin between thumb and forefinger throughout the injection minimizes bleeding.
Grasping the skin throughout a subcutaneous heparin injection helps stabilize the tissue and ensures the medication is deposited correctly into the subcutaneous layer. This technique prevents the needle from entering deeper tissues or muscle, thereby reducing the risk of trauma to blood vessels and subsequent hematoma formation or bruising. Maintaining the skin fold also aids in proper absorption and minimizes backflow, contributing to less post-injection bleeding.
B: Aspirate the syringe prior to injecting the heparin. Aspirating before subcutaneous heparin is contraindicated; it increases tissue trauma and bleeding risk without identifying a vessel, as heparin is never given intravenously this way.
C: Use the Z-track method to administer the medication. The Z-track method is primarily for intramuscular injections of irritating medications, sealing the drug deeply within muscle, and is not recommended for subcutaneous heparin administration.
D: Gently massage the site following the injection. Massaging the injection site after heparin administration can disperse the medication too quickly, increasing local bruising and hematoma formation due to tissue agitation.
A nurse is preparing to administer medications to a client who states, 'I don't want to take those drugs.' Which of the following actions should the nurse take?
Rationale:
Ask the client why he is refusing to take the medications.
When a client refuses medication, the nurse's initial and most crucial action is to explore the underlying reasons for their refusal. Understanding the client's concerns, fears, or misconceptions allows the nurse to address specific issues, provide targeted education, or clarify misunderstandings. This patient-centered approach respects autonomy, builds trust, and often facilitates resolution, potentially leading to medication adherence or alternative solutions.
A: Explain the purpose for the medications. Explaining purpose without understanding the client's specific concerns might not address the root cause of refusal. This approach assumes a knowledge deficit, potentially missing other critical factors influencing the client's decision.
C: Tell the client the physician wants him to take the medications. Invoking physician authority dismisses client autonomy and fails to engage with their concerns, potentially escalating resistance. This approach is coercive rather than collaborative, undermining the therapeutic relationship.
D: Document that the client refuses the medications. Documentation is important, but it is a subsequent step after attempting to resolve the refusal. Documenting immediately without investigation bypasses the opportunity to understand and potentially address the client's concerns first.
A nurse is caring for a client who has a prescription for morphine 1 to 2 mg subcut every 4 hr PRN for pain. Which of the following actions should the nurse take?
Rationale:
Administer up to 2 mg of morphine in 4 hr.
The prescription "1 to 2 mg subcut every 4 hr PRN" indicates a dosage range. The nurse can administer any amount within this range, up to the maximum of 2 mg, based on the client's pain level and assessment. The "every 4 hr" specifies the frequency, meaning a dose can be given as often as every four hours, not necessarily continuously throughout that period. The "PRN" signifies administration as needed.
A: Clarify the dosage of the morphine. The prescription clearly provides a dosage range (1 to 2 mg), which is a common and acceptable way to prescribe PRN medications, offering appropriate flexibility for pain management based on client need.
C: Clarify the route of the morphine. The prescription explicitly states "subcut," clearly indicating the intended subcutaneous route, which leaves no ambiguity regarding the method of administration for this medication.
D: Administer 2 mg of morphine every 2 hr. This action directly contradicts the prescribed frequency of "every 4 hr," risking medication overdose and potential adverse effects due to premature drug administration and exceeding safe limits.
A client has been newly prescribed with cyclobenzaprine (Flexeril). Which of the following statements indicates the correct therapeutic use for this medication?
Rationale:
Relief of muscle spasms related to muscle injury indicates the correct therapeutic use for cyclobenzaprine.
Cyclobenzaprine is a centrally acting skeletal muscle relaxant primarily prescribed for short-term relief of acute, painful musculoskeletal conditions. It works by reducing tonic somatic motor activity influencing both gamma and alpha motor systems, thereby alleviating muscle spasms associated with sprains, strains, and other muscle injuries. Its efficacy targets muscle stiffness and associated localized pain, not underlying neurological conditions.
B: Treatment of malignant hyperthermia Dantrolene is the specific muscle relaxant used to manage malignant hyperthermia by directly interfering with calcium release from the sarcoplasmic reticulum, not cyclobenzaprine.
C: Treatment of osteoporosis Osteoporosis treatment involves medications like bisphosphonates or calcitonin to improve bone density and reduce fracture risk; cyclobenzaprine has no role in bone metabolism.
D: Treatment of migraines Migraine treatment typically involves triptans, NSAIDs, or beta-blockers for prophylaxis. Cyclobenzaprine is a muscle relaxant, not an antimigraine agent, and offers no direct benefit for headaches.
A nurse is transcribing a new prescription for a client which states, 'Diphenhydramine 50 mg NOW.' Which of the following actions should the nurse take?
Rationale:
Contact the provider to clarify the prescription is the appropriate action.
A "NOW" prescription requires administration within 90 minutes, but diphenhydramine is often prescribed for various reasons, such as allergic reactions, sleep, or nausea. The prescription lacks a clear indication or route, which are essential components for safe medication administration. Clarifying with the provider ensures the medication is given for the intended purpose, optimizing client safety and therapeutic efficacy, preventing potential errors.
A: Notify the pharmacy to send the medication immediately. This action is premature; without clarifying the prescription's purpose and route, ordering the medication could lead to an administration error or delay if further clarification is needed.
B: Inform the client there is a prescription available if needed. This prescription is a "NOW" order, indicating immediate need, not an "as needed" (PRN) medication. Informing the client it's available if needed misinterprets the urgency.
D: Administer the medication within 90 min. While "NOW" orders typically require administration within 90 minutes, administering an unclear prescription without an indication or route poses a significant safety risk, violating medication administration rights.
What factors can influence drug absorption? (Select all apply)
Rationale:
The factors that can influence drug absorption are Liver function and Route of administration.
Drug absorption, the movement of a drug from its site of administration into the bloodstream, is significantly influenced by both liver function and route of administration. The liver's metabolic enzymes can cause first-pass metabolism, reducing the amount of drug reaching systemic circulation. The administration route dictates the physiological barriers a drug must overcome, affecting its rate and extent of absorption, such as oral versus intravenous.
A: Lung function Lung function primarily impacts drug elimination for volatile substances or drug delivery for inhaled medications, not the initial absorption of most systemically administered drugs into the bloodstream from their administration site.
B: Kidney function Kidney function is crucial for drug excretion, clearing drugs and their metabolites from the body via urine. It does not directly influence the process of a drug moving from its administration site into systemic circulation.
Nurses' Notes
Vital Signs
The client called with laboratory results and a new provider prescription. Education was provided on iron deficiency anemia and the ferrous sulfate prescription. The client was instructed to return to the office in one month.
A nurse is planning to provide teaching to the client about the new prescription. For each teaching statement made by the nurse, click to specify if the teaching statement is indicated or contraindicated for the client.
Your Selected Order (Tap items to remove)
Available Options (Tap to select in order)
A
It is expected for your stools to be black while taking this medication
B
Take this medication with an antacid if you experience heartburn from the medication
C
Drinking orange juice with this medication decreases the absorption of the medication
D
You can take this medication with meals if you experience discomfort when taking it on an empty stomach
Rationale:
A: It is expected for your stools to be black while taking this medication - Indicated, B: Take this medication with an antacid if you experience heartburn from the medication - Contraindicated,
A nurse is caring for a client who has prostate cancer. The nurse should expect the provider to prescribe which of the following medications for this client?
Rationale:
The nurse should expect the provider to prescribe Leuprolide for this client.
Leuprolide is a gonadotropin-releasing hormone (GnRH) agonist, commonly used in prostate cancer treatment. It works by initially stimulating, then desensitizing, the pituitary gland, ultimately reducing testosterone production. Since prostate cancer often depends on testosterone for growth, lowering its levels can effectively slow disease progression and manage symptoms, making it a standard therapeutic choice for advanced cases.
A: Finasteride primarily treats benign prostatic hyperplasia (BPH) by inhibiting 5-alpha reductase, reducing dihydrotestosterone. Its action is not potent enough to effectively treat prostate cancer, where more aggressive hormonal manipulation or chemotherapy is required.
C: Cyclophosphamide is a potent alkylating chemotherapy agent used for various cancers, but it is not a first-line or typical hormonal therapy for prostate cancer. While chemotherapy might be used in advanced or hormone-refractory cases, it's not the initial expectation.
D: Tamoxifen is an anti-estrogen medication primarily used to treat breast cancer by blocking estrogen receptors. It has no direct therapeutic role in treating prostate cancer, which is typically hormone-sensitive to androgens, not estrogens.
A nurse is providing teaching for a client who has a prescription for gentamicin. Which of the following should the nurse include as an adverse effect of this medication?
Rationale:
Tinnitus is an adverse effect of gentamicin that the nurse should include in teaching.
Gentamicin, an aminoglycoside antibiotic, is known for its ototoxic properties, which specifically manifest as damage to the auditory nerve. This damage can result in persistent ringing or buzzing in the ears, medically termed tinnitus. Nurses must educate clients about this irreversible adverse effect, along with potential hearing loss, emphasizing prompt reporting to preserve auditory function and prevent further complications from the medication.
A: Urinary frequency Urinary frequency is not a typical adverse effect directly associated with gentamicin. While kidney damage (nephrotoxicity) is a concern, it usually manifests as decreased urine output or altered kidney function, not increased frequency.
B: Constipation Constipation is not a recognized common adverse effect of gentamicin. Gastrointestinal side effects for aminoglycosides are generally mild, such as nausea or diarrhea, but constipation is not a characteristic symptom of this antibiotic class.
C: Hypertension Hypertension is not an adverse effect commonly linked to gentamicin. While some medications can affect blood pressure, gentamicin's primary severe toxicities involve the kidneys and ears, not typically causing elevated systemic blood pressure.
A nurse is planning care for a client who is receiving morphine via continuous epidural infusion. The nurse should monitor the client for which of the following adverse effects?
Rationale:
The nurse should monitor the client for pruritus.
Epidural morphine directly affects opioid receptors in the spinal cord, often leading to dose-dependent pruritus as a common adverse effect. This sensation, particularly noticeable on the face and torso, results from histamine release or direct opioid receptor stimulation in the central nervous system. Nurses must assess for and manage this discomfort, which can significantly impact client well-being and medication adherence.
A: Gastric bleeding. Gastric bleeding is not a typical adverse effect directly associated with epidural morphine administration. Opioids can cause constipation or nausea, but direct gastrointestinal hemorrhage is rare and not a primary concern for this route.
C: Cough. Cough suppression, rather than a cough, is a known effect of opioids due to their action on the medullary cough center. Therefore, monitoring for increased coughing would be an inappropriate expectation.
D: Tachypnea. Opioids, especially morphine, are well-known for causing respiratory depression, which manifests as bradypnea (slowed breathing), not tachypnea (rapid breathing). Monitoring for decreased respiratory rate is crucial.
Which of the following medications puts the client at risk for developing hearing loss?
Rationale:
Gentamicin puts the client at risk for developing hearing loss.
Gentamicin is an aminoglycoside antibiotic well-known for its ototoxic side effects, which can manifest as both auditory and vestibular damage. This medication accumulates in the inner ear fluids, directly impairing hair cell function in the cochlea and vestibule, leading to irreversible sensorineural hearing loss or balance issues. Careful monitoring of drug levels and audiological function is crucial during its administration to mitigate this significant risk.
A: Rifampin This antitubercular agent primarily causes hepatotoxicity and reddish-orange body fluid discoloration. It does not typically induce ototoxicity or hearing impairment as a common or significant adverse effect.
B: Ciprofloxacin As a fluoroquinolone antibiotic, ciprofloxacin is associated with tendinopathy and QT prolongation. It rarely causes hearing loss, focusing its adverse effects on musculoskeletal and cardiac systems.
C: Penicillin G This beta-lactam antibiotic is generally well-tolerated, with common adverse effects including hypersensitivity reactions and gastrointestinal upset. It lacks a recognized propensity for causing ototoxicity or impacting auditory function.
Vital signs: Day 1: Temperature 36.2°C (97.2°F), Respiratory rate 18/min, Heart rate 74/min, Blood pressure 118/68 mm Hg, SpO2 96% on room air. Day 7: Temperature 36.9°C (98.4°F), Heart rate 86/min, Respiratory rate 18/min, Blood pressure 98/66 mm Hg, SpO2 97% on room air.
A nurse is caring for a client in a provider's office. Which of the following statements should the nurse include when teaching the client about the prescribed medication? Select all that apply.
Rationale:
The medication can cause nausea, so take with a meal; You can experience vivid nightmares; You may initially notice an increase in involuntary movements; This medication can make you light-headed if you stand up too
A nurse is assessing a client who is taking phenelzine and reports eating aged cheese. Which of the following is a manifestation of an interaction between the medication and the food?
Rationale:
Hypertension is a manifestation of an interaction between phenelzine and aged cheese.
Phenelzine is a monoamine oxidase inhibitor (MAOI). Ingesting tyramine-rich foods like aged cheese while on an MAOI can precipitate a hypertensive crisis. MAOIs prevent the breakdown of tyramine, leading to a dangerous accumulation of norepinephrine, which causes severe vasoconstriction and a rapid, significant elevation in blood pressure. This interaction is a critical adverse event requiring immediate medical attention.
A: Diarrhea Diarrhea is not a typical or primary manifestation of a tyramine-MAOI interaction; the most critical physiological response involves blood pressure elevation due to catecholamine surge.
B: Somnolence Somnolence is generally not associated with a tyramine-induced hypertensive crisis; instead, clients often experience agitation, headache, and other signs of adrenergic overstimulation.
D: Bradycardia Bradycardia is contrary to the expected physiological response during a hypertensive crisis caused by tyramine and MAOIs, where the heart rate typically increases due to sympathetic overactivity.
A nurse is caring for a client admitted to the intensive care unit for a cardiac dysrhythmia. The nurse understands the prescribed calcium channel blocker has which of the following mechanisms of action?
Rationale:
Reduces the contractility and conductivity of the heart describes the mechanism of action for calcium channel blockers.
Calcium channel blockers inhibit the influx of calcium ions into cardiac and vascular smooth muscle cells. This action decreases myocardial contractility, reduces heart rate by slowing conduction through the AV node, and causes vasodilation. Ultimately, these effects stabilize cardiac rhythm, reduce workload, and are crucial for managing dysrhythmias and hypertension by modulating cardiac electrical and mechanical activity.
A: Acts on the beta cells within the heart and lungs to regulate cardiac rhythm This describes beta-blocker action, not calcium channel blockers. Beta-blockers specifically target beta-adrenergic receptors, distinct from calcium channels, to modulate heart rate and contractility.
B: Increases heart rate and increases myocardial contractility This effect is opposite to calcium channel blockers; sympathetic stimulation or certain inotropes would produce such an outcome, aiming to augment cardiac output, not suppress dysrhythmias.
D: Increase oxygen to the systemic circulation While CCBs can improve coronary blood flow, their primary systemic action isn't directly increasing oxygen delivery to the entire systemic circulation; that's more related to respiratory or hematologic function.
The nurse is caring for a client who is taking metformin (Glucophage) for hyperglycemia prior to admission. The nurse would question the following order for this client:
Rationale:
The nurse would question the order for a CT scan with contrast for this client.
Metformin's renal excretion creates a risk with iodinated contrast. Contrast media can cause acute kidney injury, leading
A nurse is assessing a client who is taking phenelzine and reports eating aged cheese. Which of the following is a manifestation of an interaction between the medication and the food?
Rationale:
Hypertension is a manifestation of an interaction between phenelzine and aged cheese.
Phenelzine, a MAO inhibitor, prevents the breakdown of tyramine found in aged cheese. This interaction causes a buildup of tyramine, which acts as a potent vasoconstrictor and catecholamine-releasing agent. The result is a sudden, dangerous surge in blood pressure, known as a hypertensive crisis, directly manifesting as hypertension. This severe reaction necessitates immediate medical intervention.
A: Somnolence Somnolence is not a typical symptom of a tyramine-induced hypertensive crisis; instead, clients often experience agitation, anxiety, or restlessness due to the overwhelming catecholamine surge.
B: Diarrhea Diarrhea is not a direct or common manifestation of a phenelzine-tyramine interaction. While gastrointestinal symptoms can occur with various drug interactions, hypertension is the hallmark of this specific crisis.
C: Brady
When taking a medication history on a patient, why should the nurse ask about complementary or alternative therapies?
Rationale:
Many drug alternative therapy interactions can cause serious problems.
Nurses must inquire about complementary and alternative therapies because various herbal remedies, supplements, and traditional practices can significantly interact with prescribed medications. These interactions might alter drug efficacy, increase adverse effects, or lead to dangerous physiological responses. Comprehensive medication histories help identify potential conflicts, ensuring patient safety and preventing severe health complications arising from unknown drug-alternative therapy combinations.
B: Natural products may be more effective, and the prescribed drugs may not be needed. While some natural products have therapeutic value, their efficacy is often unproven or insufficient for serious conditions, and they should not unilaterally replace prescribed medical treatments.
C: Patients starting on new drugs are usually not compliant with medical regimes. Patient compliance is a separate concern from drug interactions; while important, it doesn't directly explain why alternative therapies specifically need to be identified during a medication history.
D: The cost of the drug and the alternative therapy may be too expensive for the patient to handle. Financial burden is a valid consideration in patient care, yet it is not the primary clinical reason for assessing potential interactions between alternative therapies and prescribed medications.
A nurse in a public clinic is planning a health fair for older adult clients in the community. In teaching medication safety. Which of the following foods should the nurse advise the clients to avoid when taking their prescriptions?
Rationale:
Grapefruit juice should be avoided by older adult clients when taking their prescriptions.
Grapefruit juice contains furanocoumarins that inhibit the cytochrome P450 3A4 enzyme system in the liver and intestines. This enzyme is crucial for metabolizing many medications, including statins, calcium channel blockers, and certain anti-anxiety drugs. Inhibiting its function leads to higher drug concentrations in the bloodstream, increasing the risk of adverse effects and toxicity, especially in older adults with reduced drug clearance.
A: Carbonated beverage Carbonated beverages generally do not interact significantly with most medications. Their primary concern relates to sugar content or gastric irritation, not direct drug metabolism interference that would broadly affect prescription safety.
B: Orange juice Orange juice typically poses no widespread contraindication with medications. While some exceptions exist, like aluminum-containing antacids, it lacks the broad enzymatic inhibition seen with grapefruit.
D: Milk Milk can interfere with the absorption of some antibiotics, like tetracyclines, due to calcium binding. However, it does not universally inhibit drug metabolizing enzymes like grapefruit juice, making its interactions less pervasive.
A nurse is planning to administer a controlled substance to a client who is experiencing pain. Which of the following actions should the nurse plan to take first?
Rationale:
Identify the client using two identifiers is the first action a nurse should plan to take.
Client identification is the paramount first step in the medication administration process, ensuring the "right patient" safety
A nurse is caring for a client receiving febuxostat for long-term treatment of gout. Which of the following adverse effects should the nurse closely monitor for?
Rationale:
The nurse should closely monitor for renal impairment when caring for a client receiving febuxostat.
Febuxostat is primarily metabolized in the liver and excreted via both renal and fecal routes. While it doesn't require dose adjustment for mild-to-moderate renal impairment, severe kidney dysfunction can alter its pharmacokinetics. Monitoring renal function, including creatinine and BUN levels, is crucial to detect any exacerbation of existing impairment or new onset issues, ensuring safe and effective long-term gout management for the client.
A: Hypertension is not a commonly reported or significant adverse effect associated with febuxostat therapy. While cardiovascular events have been a consideration, direct monitoring for hypertension as a
A nurse is teaching a client who has a new prescription for prednisone to treat rheumatoid arthritis. The nurse should inform the client that which of the following is a therapeutic effect of this medication?
Rationale:
Decreases inflammation is a therapeutic effect of prednisone for rheumatoid arthritis.
Prednisone, a potent corticosteroid, acts as an immunosuppressant and anti-inflammatory agent. In rheumatoid arthritis, it effectively suppresses the immune system's overactivity, thereby reducing the production of inflammatory mediators and the infiltration of immune cells into joints. This mechanism directly alleviates pain, swelling, and stiffness associated with the disease by targeting the underlying inflammatory process.
B: Increases bone density Prednisone is known to cause osteoporosis, a decrease in bone density, as a significant adverse effect, not a therapeutic one. It impairs calcium absorption and bone formation.
C: Reduces risk of infection Prednisone, by suppressing the immune system, actually increases a client's susceptibility to infections, making this a serious adverse effect rather than a beneficial outcome.
D: Improves peripheral blood flow Prednisone does not directly enhance peripheral blood flow. Its primary mechanism involves immune modulation and anti-inflammatory actions, which are unrelated to improving circulatory dynamics in the extremities.
A client is being discharged with a cromolyn (Intal) inhaler to assist in the treatment of asthma. The nurse should include which information in the discharge teaching for this medication?
Rationale:
Use this inhaler 15 minutes prior to physical activity.
Cromolyn is a mast cell stabilizer that prevents the release of inflammatory mediators when exposed to allergens or irritants. For exercise-induced asthma, it is crucial to administer cromolyn before engaging in physical activity. This prophylactic use allows the medication to establish its protective effect, preventing bronchoconstriction and respiratory distress during exertion. Its action is preventive, not rescue.
B: Tachycardia is an adverse effect associated with this medication. Cromolyn sodium is well-tolerated and does not typically cause cardiac stimulation like tachycardia. Beta-agonists, not cromolyn, are known for this side effect.
C: This medication should not be discontinued abruptly. Cromolyn is a preventive medication without withdrawal effects, so abrupt cessation is not dangerous. It simply means the patient loses its prophylactic benefits.
D: Injections are required weekly to properly prevent asthma attacks. Cromolyn is administered via inhaler or nebulizer for asthma prevention, not through weekly injections. The injection form is for systemic mastocytosis, not asthma.
A nurse is preparing to administer medications to a client and discovers a medication error. The nurse should recognize that which of the following staff members is responsible for completing an incident report?
Rationale:
The nurse who identifies the error is responsible for completing an incident report.
The individual directly observing or discovering any incident, including a medication error, holds the primary responsibility for documentation. This ensures immediate, accurate reporting of factual details while observations are fresh. Prompt reporting facilitates timely investigation, implementation of corrective actions, and contributes vital data to patient safety initiatives, preventing recurrence and improving overall care processes.
A: The charge nurse. The charge nurse's role involves oversight and follow-up, but the initial identification and detailed reporting of the error are not their primary responsibility.
B: The quality improvement committee. The quality improvement committee analyzes reported incidents to identify systemic issues and implement improvements, but they do not complete individual incident reports.
D: The nurse who caused the error. While the nurse who caused the error might contribute information, the responsibility for initiating the report lies with the discovering nurse, ensuring objective documentation regardless of fault.
What is the action of timolol maleate (Timoptic), a beta-adrenergic blocking agent?
Rationale:
Timolol maleate, a beta-adrenergic blocking agent, decreases the production of aqueous humor.
Beta-adrenergic blocking agents like timolol maleate primarily reduce intraocular pressure by inhibiting beta-receptors in the ciliary body. This inhibition directly lessens the active secretion of aqueous humor into the posterior chamber of the eye. Consequently, the overall volume of fluid within the eye diminishes, effectively lowering the elevated pressure often associated with glaucoma, without significantly affecting outflow pathways.
A: Increases the outflow of aqueous humor. Timolol's primary mechanism doesn't directly enhance aqueous outflow; rather, it focuses on reducing fluid formation, distinguishing its action from prostaglandin analogs or miotics that specifically target drainage improvements.
B: Increases the production of aqueous humor. Beta-blockers like timolol are prescribed to lower intraocular pressure, making an increase in aqueous humor production counterproductive to their therapeutic objective and pharmacological action.
C: Draws aqueous humor from the eye into the circulatory network. This
A client on chemotherapy is using ondansetron for treatment of nausea. The nurse will instruct the client to watch for which adverse effect of this drug?
Rationale:
Dizziness is an adverse effect a client on ondansetron should watch for.
Ondansetron, a 5-HT3 receptor antagonist, effectively prevents chemotherapy-induced nausea and vomiting. However, it can cause central nervous system effects. Dizziness is a common adverse reaction associated with ondansetron use, often reported by patients. Nurses must advise clients to monitor for this sensation, as it can impair balance and increase fall risk, especially in vulnerable chemotherapy patients.
B: Drowsiness While some antiemetics cause sedation, ondansetron typically does not induce significant drowsiness. Its primary mechanism of action targets serotonin receptors without generally producing a sedative effect on the central nervous system.
C: Dry mouth Dry mouth is not a prominent or common adverse effect specifically associated with ondansetron. This symptom is more frequently linked to anticholinergic medications or other drug classes, not typically 5-HT3 antagonists.
D: Blurred vision Blurred vision is an infrequent adverse event with ondansetron. Ocular disturbances are not typically listed among its common side effects, which generally involve gastrointestinal or central nervous system manifestations.
The nurse is teaching a patient about home administration of insulin. The patient will receive regular insulin and NPH insulin at 0700 every day. What is important to teach the patient?
Rationale:
Draw up the regular insulin last.
When preparing regular (short-acting) and NPH (intermediate-acting) insulin for administration, the regular insulin must be drawn into the syringe first. This critical sequence prevents any NPH insulin from entering and contaminating the regular insulin vial, which could compromise the rapid-acting properties of the regular insulin. Adhering to this "clear before cloudy" principle ensures accurate dosing and predictable therapeutic effects for the patient.
B: Draw up the insulins after mixing them in a vial. Mixing different insulin types directly within their original vials is contraindicated, as it compromises their individual potency, sterility, and could alter their intended pharmacological actions.
C: Draw up the medications in separate syringes. While some insulins cannot be mixed, regular and NPH insulin are compatible for combination in a single syringe, allowing for one injection, thus reducing patient discomfort and procedure steps.
D: Draw up the NPH insulin last. Drawing NPH insulin first risks contaminating the regular insulin vial with NPH, potentially altering its rapid onset of action and compromising its therapeutic efficacy when subsequently drawn.
A nurse is caring for a client who has heart failure and is receiving IV furosemide. The nurse should monitor the client for which of the following electrolyte imbalances?
Rationale:
The nurse should monitor the client for hyperuricemia. Furosemide, a loop diuretic, can increase serum uric acid levels by reducing uric acid excretion in the kidneys. This electrolyte imbalance is common in patients receiving loop diuretics and can exacerbate gout or cause kidney complications, necessitating careful monitoring during treatment.
A: Hyperchloremia Excess chloride is unlikely since furosemide promotes chloride excretion, reducing serum chloride levels rather than increasing them.
C: Hypernatremia Furosemide typically causes sodium loss through urine, making elevated sodium levels uncommon in this context.
D: Hypercalcemia Furosemide promotes calcium excretion, decreasing rather than increasing calcium levels in the bloodstream.
A nurse is caring for a client who is postoperative following hip arthroplasty. The nurse should anticipate which of the following medications for this client?
Rationale:
The nurse should anticipate enoxaparin for this client.
Postoperative hip arthroplasty clients face a high risk of deep vein thrombosis (DVT) and pulmonary embolism (PE) due to immobility and surgical trauma. Enoxaparin, a low molecular weight heparin, is a standard prophylactic anticoagulant widely prescribed in this population to prevent thromboembolic events. Its effectiveness in reducing clot formation makes it crucial for patient safety and recovery after major orthopedic surgery.
A: Aspirin While aspirin has antiplatelet effects, it is generally less potent than enoxaparin for DVT prophylaxis after major orthopedic surgery, which requires stronger anticoagulation to avert venous clot formation.
B: Alteplase This is a potent thrombolytic agent used to dissolve existing clots in acute emergencies like stroke or PE, not for routine prophylactic prevention of new clot development in postoperative recovery.
C: Clopidogrel Clopidogrel is an antiplatelet medication primarily used to prevent arterial clots in conditions like coronary artery disease or peripheral artery disease, not the venous thromboembolism common after hip surgery.
The nurse is caring for a 64-year-old male client with diabetes who is being treated with a nonselective beta-blocker. What health education should the nurse prioritize with this client?
Rationale:
The benefit to eating frequent small meals during the day should be the nurse's priority health education.
Nonselective beta-blockers can mask typical hypoglycemia symptoms like tachycardia and tremors in diabetic clients, making
When involved in phase III drug evaluation studies, which responsibilities would the nurse have?
Rationale:
Monitor and observe clients closely for adverse effects.
Nurses in phase III drug evaluation studies are pivotal in patient care and data collection. Their responsibilities include vigilant monitoring for both expected and unexpected adverse drug reactions, ensuring patient safety. They meticulously document observations, vital signs, and patient complaints, providing crucial data to the research team regarding the drug's safety profile and tolerability in a larger, diverse patient population before market approval.
B: Work with animals which are given experimental drugs. Animal studies, or preclinical trials, precede human clinical trials. Nurses primarily engage with human participants during drug evaluation phases, not animal subjects.
C: Make decisions that will determine the effectiveness of the drug. Determining drug effectiveness involves statistical analysis of collected data by the principal investigators and statisticians. Nurses contribute data, but do not make these overarching efficacy conclusions.
D: Select appropriate clients to be involved in the drug study. Client selection is typically managed by the principal investigator or research physician, adhering to stringent inclusion and exclusion criteria to ensure study validity and patient safety.
A nurse is preparing to administer heparin subcutaneously to a client who has a deep vein thrombosis. Which of the following techniques should the nurse use?
Rationale:
Cleanse the skin with an alcohol swab, insert the needle, inject the heparin, and observe for bleeding is the correct technique for administering subcutaneous heparin.
Administering subcutaneous heparin correctly involves cleansing the site, swiftly inserting the needle, and then injecting the medication without aspirating. Aspiration is generally not recommended for subcutaneous injections as it can increase tissue trauma and is not reliable for identifying blood vessels in this layer. Post-injection, observing for bleeding is vital due to heparin's anticoagulant effects, ensuring patient safety.
A: Cleanse the skin with an alcohol swab, insert the needle, inject the heparin, aspirate, and observe for bleeding. Aspiration is not recommended for subcutaneous heparin injections; it can cause tissue damage and is unreliable for identifying vessel entry in the subcutaneous layer, potentially increasing hematoma risk.
B: Cleanse the skin with an alcohol swab, insert the needle,
A patient asks how most antidepressants work. The nurse responds by saying that antidepressants improve mood by increasing levels of:
Rationale:
Antidepressants improve mood by increasing levels of norepinephrine and serotonin.
Most antidepressants enhance mood by elevating the availability of specific neurotransmitters in the brain. They primarily achieve this by inhibiting the reuptake or breakdown of norepinephrine and serotonin, increasing their concentration in the synaptic cleft. This heightened presence of these key monoamines facilitates improved neural communication, which is crucial for regulating mood, sleep, and appetite, thereby alleviating depressive symptoms effectively.
A: GABA and serotonin While serotonin levels are increased by many antidepressants, GABA is an inhibitory neurotransmitter primarily targeted by anxiolytics, not the main co-neurotransmitter elevated by most antidepressants for mood improvement.
B: Epinephrine and norepinephrine Norepinephrine is a key target, but epinephrine (adrenaline) is less consistently or directly implicated as a primary target for mood elevation across the broad spectrum of common antidepressant mechanisms.
D: Reticular formation The reticular formation is a brainstem structure integral for consciousness and arousal, not a neurotransmitter substance. Antidepressants act on chemical messengers, not anatomical regions, to improve mood.
The nurse is caring for a client with increased ocular pressure due to open-angle glaucoma. Which diuretic below is used specifically for open-angle glaucoma?
Rationale:
Acetazolamide is the diuretic used specifically for open-angle glaucoma.
Acetazolamide is a carbonic anhydrase inhibitor that specifically reduces aqueous humor production in the ciliary body of the eye. This mechanism directly lowers intraocular pressure, making it a primary pharmacological intervention for managing open-angle glaucoma. Its action is distinct from other diuretics, targeting the specific physiological process contributing to elevated ocular pressure in this condition.
A: hydrochlorothiazide Hydrochlorothiazide is a thiazide diuretic primarily used for hypertension and edema by inhibiting sodium reabsorption in the distal convoluted tubule. It does not directly impact aqueous humor production for glaucoma treatment.
B: furosemide Furosemide is a potent loop diuretic, mainly employed for severe edema and hypertension by acting on the loop of Henle. It lacks the specific mechanism required to effectively reduce intraocular pressure in glaucoma.
D: spironolactone Spironolactone is a potassium-sparing diuretic and an aldosterone antagonist, typically used for heart failure, hypertension, and edema. It has no direct therapeutic role in lowering ocular pressure in glaucoma.
A nurse is assessing a client who is taking warfarin. Which of the following findings should the nurse identify as the priority to report to the provider?
Rationale:
Melena is the priority finding for the nurse to report to the provider. Melena indicates gastrointestinal bleeding, a serious adverse effect of anticoagulants like warfarin, which can lead to life-threatening hemorrhage. Prompt reporting is crucial for immediate intervention, such as dose adjustment or antidote administration, to prevent further blood loss and stabilize the client's condition, ensuring patient safety.
A: Hair loss Hair loss can be an uncommon side effect of warfarin, but it does not indicate an immediate life-threatening complication or require urgent medical intervention compared to active bleeding.
C: Abdominal cramping Abdominal cramping can have various causes and, while potentially uncomfortable, does not inherently signal a critical, immediate danger requiring urgent reporting in a warfarin-treated client like hemorrhage.
D: Fever Fever might indicate an infection or another medical issue, but it is not directly related to warfarin's anticoagulant action or a primary indicator of a severe, acute adverse effect demanding immediate reporting.
A nurse is transcribing a telephone prescription for acetaminophen 650 mg by mouth daily at bedtime. The nurse should identify that which of the following abbreviations are acceptable to use when transcribing the prescription?
Rationale:
Abbreviating 'by mouth' as 'PO' and 'at bedtime' as 'qhs' are acceptable for transcribing the prescription.
'PO' is the standard and widely accepted medical abbreviation derived from the Latin "per os" for "by mouth," ensuring clear communication. Similarly, 'qhs' is a recognized abbreviation meaning "every night at bedtime," derived from Latin "quaque hora somni." Both abbreviations are on the Joint Commission's "Do Not Use" list exceptions and maintain patient safety through unambiguous interpretation, essential for accurate medication administration.
A: Abbreviate 'daily' as 'QD'. 'QD' is on the Joint Commission's official "Do Not Use" list because it can be mistaken for 'QID' (four times daily), posing a significant risk for medication errors and patient harm through misinterpretation.
C: Abbreviate 'acetaminophen' as 'APAP'. 'APAP' is an outdated and potentially confusing abbreviation for acetaminophen, not universally understood. Using the full drug name reduces ambiguity and prevents errors, especially with similar-sounding drug abbreviations.
A nurse is caring for a client who has hemophilia A and hemarthrosis of the left knee. Which of the following actions should the nurse take?
Rationale:
Obtain a stool specimen is the appropriate action for a nurse caring for a client with hemophilia A and hemarthrosis of the left knee.
Clients with hemophilia A have a deficiency in clotting factor VIII, increasing their risk of both overt and occult bleeding. Monitoring for internal hemorrhage, particularly gastrointestinal bleeding, is crucial. A stool specimen helps detect occult blood, indicating potential internal bleeding that might not be immediately visible, thereby allowing for early intervention and preventing severe complications in a client with a known bleeding disorder.
A: Administer low dose aspirin. Aspirin, even at low doses, inhibits platelet aggregation, significantly increasing bleeding risk in a hemophilia A client. This medication would exacerbate their existing clotting deficiency and potential for hemorrhage, making it a contraindicated intervention.
B: Prepare for autologous blood transfusion. Autologous blood transfusion involves transfusing the client's own blood, typically collected beforehand. Hemophilia A requires factor replacement therapy to address the specific clotting factor deficiency, not a general blood transfusion, which isn't the primary treatment for acute bleeding.
D: Apply heat to the knee. Applying heat to an acutely
What is the correct medical term used to describe impaired blood flow in the coronary arteries?
Rationale:
Coronary heart disease is the correct medical term used to describe impaired blood flow in the coronary arteries.
Correct Option Explanation:
Coronary heart disease (CHD) broadly encompasses conditions where plaque buildup narrows the coronary arteries, restricting blood flow to the heart muscle. This impairment, often called ischemia, is the fundamental problem underlying various cardiac events. CHD is the overarching diagnosis for this chronic circulatory dysfunction, leading to oxygen deprivation and potential damage to myocardial tissue.
Incorrect Options Explanation:
B: Cerebrovascular accident A cerebrovascular accident, commonly known as a stroke, involves impaired blood flow to the brain, causing brain cell damage, not the heart's coronary arteries.
C: Myocardial infarction Myocardial infarction refers to a heart attack, where a complete blockage causes heart muscle death, representing a specific acute event rather than the general condition of impaired flow.
D: Angina pectoris Angina pectoris is the chest pain symptom resulting from insufficient blood flow and oxygen to the heart muscle, not the underlying disease describing the impaired flow itself.
When evaluating a client's use of a metered-dose inhaler (MDI), the nurse notes that the client is unable to coordinate the activation of the inhaler with her breathing. What intervention is most appropriate at this time?
Rationale:
Obtain an order for a spacer device is the most appropriate intervention when a client struggles to coordinate MDI activation with breathing.
A spacer device significantly improves MDI effectiveness by holding the medication mist, eliminating the need for precise coordination between activation and inhalation. This allows the client to inhale the full dose over several breaths, maximizing drug delivery to the lungs and reducing deposition in the oropharynx, thereby enhancing therapeutic outcomes for individuals with coordination difficulties.
B: Notify the prescriber that the client is unable to use the MDI. This premature action doesn't offer a solution; a spacer is a well-established, simple modification often resolving coordination issues, making immediate notification unnecessary without attempting a practical aid first.
C: Ask the prescriber if the medication can be given orally. Oral administration of inhaled bronchodilators or steroids has slower onset and more systemic side effects, generally less effective for acute respiratory issues than direct lung delivery.
D: Obtain an order for a peak flow meter. A peak flow meter assesses lung function and airflow obstruction but does not address the client's inability to properly operate the inhaler device itself.
When evaluating a patient who is taking orlistat, which is an intended therapeutic effect?
Rationale:
Decreased weight is an intended therapeutic effect when evaluating a patient taking orlistat.
Orlistat is a gastrointestinal lipase inhibitor, preventing the breakdown and absorption of approximately 30% of dietary fat. By reducing caloric intake from fat, it creates a net energy deficit. This consistent reduction in absorbed calories directly leads to a gradual, but significant, decrease in body weight over time, making it the primary therapeutic goal for obesity management.
B: Increased appetite Orlistat's mechanism targets fat absorption in the gut, not central appetite regulation. Its purpose is to facilitate weight loss, which typically involves managing, rather than increasing, hunger sensations.
C: Decreased hyperactivity Orlistat specifically inhibits pancreatic and gastric lipases, impacting only fat digestion. It has no pharmacological action on the central nervous system or neurotransmitters that modulate activity levels or hyperactivity.
D: Increased wakefulness Orlistat operates solely within the gastrointestinal tract to block fat absorption. It possesses no known stimulant properties or effects on brain activity, thus it does not promote alertness or increased wakefulness.
A nurse is preparing to administer digoxin to a client who has heart failure. Which of the following actions is appropriate?
Rationale:
Evaluating the client for nausea, vomiting, and anorexia is an appropriate action when preparing to administer digoxin.
Nausea, vomiting, and anorexia are common early manifestations of digoxin toxicity, especially in clients with heart failure. Before administering digoxin, assessing for these gastrointestinal symptoms is crucial. Identifying these signs can prompt further assessment of digoxin levels and prevent exacerbating toxicity, ensuring client safety and appropriate medication management.
B: Withholding the medication if the heart rate is above 100/min Digoxin typically lowers heart rate; withholding it for a rate above 100/min contradicts its intended effect and client safety protocols. The nurse should withhold for a low rate.
C: Measuring apical pulse rate for 30 seconds before administration An apical pulse must be measured for a full 60 seconds to accurately assess rate and rhythm, especially when administering medications like digoxin that affect cardiac function.
D: Instructing the client to eat foods that are low in potassium Hypokalemia increases the risk of digoxin toxicity, so clients should be instructed to maintain adequate potassium intake, not reduce it.
A nurse is caring for a client who is taking sucralfate. Which of the following outcomes indicates a therapeutic effect of the medication?
Rationale:
Relief of gastrointestinal pain indicates a therapeutic effect of sucralfate.
Sucralfate works by forming a protective barrier over ulcerated areas in the gastrointestinal tract, shielding them from gastric acid, pepsin, and bile salts. This protective coating allows the ulcer to heal, thereby reducing irritation and inflammation. The primary symptom of peptic ulcers is often epigastric pain, so its reduction signifies the medication's intended therapeutic action in promoting mucosal healing and alleviating discomfort.
B: Improvement of impaired vision. Sucralfate specifically targets the gastrointestinal mucosa, creating a protective layer for ulcer healing. It possesses no pharmacological properties or systemic effects that influence ocular function or visual acuity, making this outcome unrelated to its therapeutic mechanism.
C: Prevention of opportunistic infections. Sucralfate's action is localized to the gastrointestinal lining, forming a physical barrier to promote ulcer healing. It does
A nurse is assessing a client who has a prescription for haloperidol 0.5 mg PO three times daily. The medication administration record shows that the client received 5 mg per dose on the previous day. Which of the following manifestations is the nurse's priority to assess?
Rationale:
Muscle stiffness is the nurse's priority to assess.
Haloperidol is an antipsychotic, and a 10-fold overdose (5 mg instead of 0.5 mg) significantly increases the risk of severe extrapyramidal symptoms (EPS). Muscle stiffness, a form of dystonia or parkinsonism, indicates acute EPS, which can rapidly progress to life-threatening conditions like neuroleptic malignant syndrome. Prompt assessment and intervention are crucial to mitigate severe neurological complications from this medication error.
A: Constipation. Constipation is a common anticholinergic side effect of haloperidol but typically less acute or immediately life-threatening compared to severe neurological symptoms following a significant overdose.
B: Dry mouth. Dry mouth is another frequent, mild anticholinergic effect of haloperidol. While uncomfortable, it does not represent an emergent or critical manifestation requiring immediate priority assessment, especially in the context of a substantial overdose.
C: Daytime drowsiness. Daytime drowsiness is a common sedative effect of haloperidol, particularly with higher doses. Although concerning, it is generally not as immediately dangerous or indicative of severe, rapidly progressing complications as acute extrapyramidal symptoms from a significant overdose.
A nurse is caring for a client who is to start therapy with lovastatin. The nurse should prepare the client for which of the following diagnostic assessments?
Rationale:
The nurse should prepare the client for liver function tests.
Lovastatin, a HMG-CoA reductase inhibitor, can cause hepatotoxicity, elevating liver enzymes. Monitoring liver function tests (LFTs) is crucial before initiating therapy and periodically thereafter to detect potential drug-induced liver injury early. This ensures client safety and allows for timely intervention if hepatic impairment develops, making LFTs an essential diagnostic assessment.
A: Exercise electrocardiography evaluates cardiac function and stress response. This assessment is not directly pertinent to monitoring lovastatin's therapeutic effects or its potential hepatic adverse reactions.
C: Pancreatic enzymes, such as amylase and lipase, assess pancreatic health. Lovastatin does not typically cause pancreatitis or significantly alter pancreatic enzyme levels, making this assessment irrelevant.
D: Western blot analysis detects specific proteins, often used for infectious diseases or autoimmune conditions. It has no diagnostic relevance