When administering a medication, a nurse should check the label on the drug container against the MAR when removing the drug container from the client's medication drawer, when removing the drug from the medication container, and:

After showing the drug label to the client

Before returning the drug container to the client’s medication drawer

Before calling the pharmacy

After checking the drug container with a colleague

Answer and Explanation

The Correct Answer is B

Choice A reason: Showing the client isn’t a standard check; patients don’t verify MAR, and this step lacks relevance to the nurse’s triple-check safety protocol.

Choice B reason: Checking before returning ensures accuracy; the third check confirms the right drug post-administration, completing the three-point verification process safely.

Choice C reason: Calling the pharmacy is unrelated; label checks occur during administration, not external consultation, making this an irrelevant timing option.

Choice D reason: Colleague checks aren’t routine; the three checks are individual, and this step doesn’t align with standard MAR verification timing protocols.

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Correct Answer is C

Explanation

Choice A reason: Four times (6:00 a.m., noon, 6:00 p.m., midnight) is QID, not TID; TID means three times daily, and this schedule overdoses the patient unnecessarily.

Choice B reason: Six times daily is every 4 hours, not TID; this exceeds the three-dose requirement, risking toxicity or side effects from excessive administration frequency.

Choice C reason: 9:00 a.m., 1:00 p.m., 5:00 p.m. is TID; spaced 8 hours apart, it aligns with standard three-times-daily dosing, ensuring consistent therapeutic levels safely.

Choice D reason: Meal and bedtime timing is vague; without fixed hours, it risks uneven dosing intervals, potentially disrupting pharmacokinetics and efficacy of the medication.

A. 8:30 a.m. B. 9:00 a.m. C. 10:00 a.m. D. 10:30 a.m.

Correct Answer is B

Explanation

Choice A reason: Drawing at 8:30 a.m., 60 minutes before, is too early; trough levels, taken just before the next dose, reflect minimum concentration, and this timing risks inaccurate results.

Choice B reason: At 9:00 a.m., 30 minutes before the 9:30 a.m. dose, the trough level accurately measures the lowest vancomycin concentration, ensuring therapeutic monitoring aligns with pharmacokinetics.

Choice C reason: Drawing at 10:00 a.m., after the dose, measures a post-infusion level, not the trough; this timing misses the minimum concentration critical for dosing adjustments.

Choice D reason: At 10:30 a.m., well after the dose, blood reflects peak or random levels, not the trough, skewing data needed to assess vancomycin’s therapeutic efficacy and safety.

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When administering a medication, a nurse should check the label on the drug container against the MAR when removing the drug container from the client's medication drawer, when removing the drug from the medication container, and:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The patient's medication is ordered to be administered TID. Which times will be entered into the patient's medication schedule?

Correct Answer is C

Explanation

The nurse is to administer the patient's next dose of vancomycin at 9:30 a.m. What time will the nurse draw the patient's blood to check the trough vancomycin level?

Correct Answer is B

Explanation

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