HESI RN
Nightdale College HESI Pharmacology RN Questions
Extract:
Question 1 of 5
A client is receiving intravenous (IV) vancomycin and the nurse plans to draw blood for a peak and trough to determine the serum level of the medication. Which of the following collection times provide the best determination of these levels? Which collection times provide the best determination of these levels?
Correct Answer: B
Rationale: Peak vancomycin levels, reflecting maximum concentration, are best measured one hour after IV dose completion. Trough levels, indicating minimum concentration, are drawn one hour before the next dose. This timing ensures accurate monitoring of therapeutic levels and prevents toxicity.
Question 2 of 5
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Question 3 of 5
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Question 4 of 5
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Question 5 of 5
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