Which prescription should the nurse clarify with the provider prior to administration?
Potassium Chloride 20 mEq PO daily.
HCTZ 25 mg PO daily.
Amlodipine 10 mg PO daily.
Clonidine 1 mg PO TID PRN for systolic blood pressure of 180.
The Correct Answer is D
Choice A rationale
Potassium chloride 20 mEq daily is a common dose for hypokalemia prevention or treatment. Normal serum potassium is 3.5–5.0 mEq/L. This dose is unlikely to cause adverse effects without significant hyperkalemia.
Choice B rationale
Hydrochlorothiazide 25 mg daily effectively manages hypertension by reducing fluid retention. It can cause hypokalemia; thus, monitoring serum potassium is crucial. Normal serum potassium range is 3.5–5.0 mEq/L.
Choice C rationale
Amlodipine 10 mg daily is a standard antihypertensive dose. It is a calcium channel blocker that dilates blood vessels, lowering blood pressure without significant adverse effects in most patients.
Choice D rationale
Clonidine 1 mg TID PRN for systolic blood pressure above 180 is excessive. Normal doses are 0.1–0.3 mg. High doses risk severe hypotension, bradycardia, and withdrawal symptoms. This requires clarification.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Sterile water prevents contamination and maintains the client’s safety during administration, reducing the risk of introducing pathogens. It ensures proper medication dissolution for smooth NG tube flow.
Choice B rationale
Mixing medications together increases the risk of drug interactions, altering pharmacokinetics or pharmacodynamics, potentially causing side effects. It is unsafe for administering via an NG tube without compatibility checks.
Choice C rationale
Sublingual medications are designed for absorption through oral mucosa, bypassing first-pass metabolism. Crushing alters this route, reducing effectiveness. They should not be crushed or administered via NG tube.
Choice D rationale
Flushing with only 5 mL of saline is insufficient to clear residue, risking medication clogging. Standard practice suggests using at least 15-30 mL to ensure patency and avoid tube obstruction.
Correct Answer is C
Explanation
Choice A rationale
A carotid bruit signifies turbulent blood flow in the carotid artery, often due to arterial narrowing. It does not directly indicate ineffective cardiac contractions or relate to cardiac output efficiency.
Choice B rationale
A heart murmur indicates abnormal blood flow across heart valves, which can result from structural defects or valve dysfunction. It does not directly measure or confirm ineffective cardiac contractions.
Choice C rationale
A pulse deficit occurs when heartbeats are not effectively generating palpable pulses, indicating weak cardiac contractions or poor perfusion. This suggests the heart is not pumping effectively.
Choice D rationale
A bounding radial pulse indicates strong cardiac contractions with increased stroke volume or sympathetic stimulation. It does not signify ineffective cardiac contractions but rather heightened cardiovascular activity.
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