A nurse is caring for a client who has an infection and a prescription for gentamicin Intermittent IV bolus every 8 hr. A peak and trough are required with the next dose. Which of the following actions should the nurse take to obtain an accurate gentamicin serum level?

Draw a peak level 90 min prior to administering the medication and a trough level 90 min after the dose.

Draw a trough level immediately prior to administering the medication and a peak level 30 min after the

dose.

Draw a trough level at 0900 and a peak level at 2100.

Answer and Explanation

The Correct Answer is B

To obtain an accurate gentamicin serum level, the nurse should draw a trough level immediately before administering the next dose of medication and a peak level 30 minutes after the dose has been administered. The trough level measures the lowest concentration of the medication in the blood, while the peak level measures the highest concentration.

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Correct Answer is A

Explanation

Cyclosporine is an immunosuppressant medication that is often used following organ transplant to prevent rejection. Grapefruit juice can increase the absorption of cyclosporine, leading to an increased risk of side eﬀects and toxicity. Therefore, clients taking cyclosporine should be advised to avoid grapefruit and grapefruit juice while taking this medication. Pepperoni and smoked salmon do not have any known interactions with cyclosporine. Orange juice may also interact with cyclosporine, but not to the same extent as grapefruit juice. It is generally recommended that clients taking cyclosporine avoid drinking large amounts of orange juice and to inform their healthcare provider if they experience any adverse eﬀects.

A. 'Monitor for ringing in your ears." B. Expect your skin to turn yellow. C. Increase fiber intake to prevent constipation. D. "Take this mediation with a glass of grapefruit juice.”

Correct Answer is A

Explanation

The correct answer is choice A. “Monitor for ringing in your ears.”

Choice A rationale:

Erythromycin can cause ototoxicity, which may present as tinnitus (ringing in the ears). Monitoring for this side effect is important to prevent potential hearing damage.

Choice B rationale:

Yellowing of the skin is not a common side effect of erythromycin. This symptom is more associated with liver issues or jaundice, which is not typically linked to erythromycin use.

Choice C rationale:

Erythromycin is more likely to cause gastrointestinal side effects such as diarrhea rather than constipation. Increasing fiber intake is not necessary to prevent constipation when taking this medication.

Choice D rationale:

Grapefruit juice can interfere with the metabolism of many medications, including erythromycin, potentially leading to increased drug levels and risk of side effects. It is generally advised to avoid grapefruit juice while taking erythromycin.

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A nurse is caring for a client who has an infection and a prescription for gentamicin Intermittent IV bolus every 8 hr. A peak and trough are required with the next dose. Which of the following actions should the nurse take to obtain an accurate gentamicin serum level?

Nursing Test Bank

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Correct Answer is A

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A nurse is caring for a client who has an infection and a prescription for gentamicin Intermittent IV bolus every 8 hr. A peak and trough are required with the next dose. Which of the following actions should the nurse take to obtain an accurate gentamicin serum level?