A client is receiving IV vancomycin and the nurse plans to draw blood for a peak and trough to determine the serum level of the medication. Which collection times provide the best determination of these levels?

Immediately after completion of the IV dose and 30 minutes before the next administration of the medication.

One hour after completion of the IV dose and one hour before the next administration of the medication.

Two hours after completion of the IV dose and two hours before the next administration of the medication.

Thirty minutes into the administration of the IV dose and 30 minutes before the next administration of the medication.

Answer and Explanation

The Correct Answer is A

A. Immediately after completion of the IV dose and 30 minutes before the next administration of the medication: This timing is correct for monitoring vancomycin levels. The peak level is typically measured immediately after the completion of the infusion (though peak levels are less commonly required for vancomycin), and the trough level is measured just before the next dose is due, 30 minutes before administration. This approach helps in evaluating the medication's efficacy and safety.
B. One hour after completion of the IV dose and one hour before the next administration of the medication: This timing is not ideal. The peak level for vancomycin is usually measured immediately after the dose rather than one hour later. Trough levels are measured closer to the next dose, typically 30 minutes before the next dose.
C. Two hours after completion of the IV dose and two hours before the next administration of the medication: Measuring levels two hours after the dose completion is too late for a peak level. The trough level should be measured closer to the next dose, generally 30 minutes before the next administration.
D. Thirty minutes into the administration of the IV dose and 30 minutes before the next administration of the medication: Measuring the level 30 minutes into the infusion is not appropriate for peak levels, which are typically measured.

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Correct Answer is C

Explanation

A. Administer the medication: Acarbose is an alpha-glucosidase inhibitor that should be taken with the first bite of a meal to effectively manage postprandial blood glucose levels. Administering it before the meal is inappropriate as it can lead to inadequate glucose control.
B. Notify the healthcare provider: While notifying the healthcare provider might be necessary if there are significant issues, it is not the immediate action needed in this situation. The priority is to manage the timing of the medication relative to the meal.
C. Hold the medication until the meal trays arrive: Acarbose should be taken with food to work effectively in controlling blood glucose levels after meals. If the meal is delayed, the medication should be held until the meal is ready to ensure proper administration.
D. Obtain another finger stick blood glucose level: Rechecking the blood glucose level does not address the issue of the timing of the acarbose administration. The focus should be on ensuring the medication is taken with the meal.

A. Determine if the client is taking the medication before meals. B. Ask if his morning voiding is dark colored. C. Explore what the client means by the drug not working. D. Evaluate the client for signs of dyskinesia.

Correct Answer is C

Explanation

A) Determine if the client is taking the medication before meals: While the timing of medication relative to meals can affect absorption, this action assumes a specific problem without first clarifying the client's concerns. It's important to understand the nature of the client's issue before assessing medication administration.
B) Ask if his morning voiding is dark colored: Dark-colored urine may be a side effect of some medications, but this is a less direct approach to understanding why the client feels the medication is not working. It does not directly address the effectiveness of the medication.
C) Explore what the client means by the drug not working: This is the most appropriate initial intervention. Understanding the client's perception and specific concerns about the medication's effectiveness will guide further actions, such as assessing medication adherence, side effects, or the need for a medication adjustment.

D) Evaluate the client for signs of dyskinesia: While assessing for dyskinesia is important, it is more of a specific follow-up step. The priority is to understand the client's concerns about the medication's overall effectiveness before focusing on specific side effects.

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A client is receiving IV vancomycin and the nurse plans to draw blood for a peak and trough to determine the serum level of the medication. Which collection times provide the best determination of these levels?

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Naxlex Comprehensive Predictor Exams

Correct Answer is C

Explanation

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Correct Answer is C

Explanation

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