A nurse is reviewing the medical record of a client who is prescribed tetracycline.
The nurse would be alert for an increased risk of toxicity if the client is taking which of the following?

Digoxin (Lanoxin).

Phenytoin (Dilantin).

Vancomycin (Vancocin).

Carbamazepine (Tegretol). .

Answer and Explanation

The Correct Answer is A

Choice A rationale: Tetracycline can increase the levels of digoxin (Lanoxin) in the blood, leading to an increased risk of digoxin toxicity. This interaction occurs because tetracycline can interfere with the metabolism and excretion of digoxin, causing higher concentrations of the drug in the bloodstream1. Symptoms of digoxin toxicity include nausea, vomiting, dizziness, and cardiac arrhythmias. Therefore, patients taking both medications should be closely monitored for signs of toxicity and may require dosage adjustments.

Choice B rationale: Phenytoin (Dilantin) does not have a significant interaction with tetracycline that increases the risk of toxicity. While both medications can be used together, they do not significantly affect each other's metabolism or excretion1.

Choice C rationale: Vancomycin (Vancocin) does not have a significant interaction with tetracycline that increases the risk of toxicity. Both medications can be used together without causing significant changes in their metabolism or excretion1.

Choice D rationale: Carbamazepine (Tegretol) does not have a significant interaction with tetracycline that increases the risk of toxicity. While both medications can be used together, they do not significantly affect each other's metabolism or excretion

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Correct Answer is A

Explanation

A. Wear protective clothing and sunscreen when outside. B. Increase fluid intake. C. Avoid lights while indoors. D. Wear protective footwear.

Correct Answer is A

Explanation

Choice A rationale:

Wear protective clothing and sunscreen when outside. Rationale: Sulfonamide antibiotics, a type of medication mentioned in the question, can increase the skin's sensitivity to sunlight, leading to photosensitivity reactions. To reduce the effects of photosensitivity, the client should be instructed to wear protective clothing that covers the skin and to apply sunscreen with a high sun protection factor (SPF) when going outdoors. This helps shield the skin from harmful UV rays, reducing the risk of sunburn and other adverse reactions.

Choice B rationale:

Increase fluid intake. Rationale: Increasing fluid intake is a general recommendation for clients taking sulfonamide antibiotics to minimize the risk of crystalluria, a side effect that can result from inadequate hydration. Crystalluria is the formation of crystals in the urine and can lead to kidney stones. While staying hydrated is essential, it is not specifically related to reducing photosensitivity, which is the focus of this question.

Choice C rationale:

Avoid lights while indoors. Rationale: Avoiding lights while indoors is not a standard precaution to reduce the effects of photosensitivity caused by sulfonamide antibiotics. Photosensitivity primarily refers to the skin's heightened sensitivity to sunlight. Being indoors under regular lighting conditions should not significantly impact photosensitivity. The key precautions are related to outdoor sun exposure.

Choice D rationale:

Wear protective footwear. Rationale: Wearing protective footwear is not a standard precaution to reduce photosensitivity effects caused by sulfonamide antibiotics. Photosensitivity primarily affects the skin, not the feet. While protective footwear may be recommended in specific situations, such as in a construction or industrial setting, it is not directly related to reducing the risk of photosensitivity reactions.

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A nurse is reviewing the medical record of a client who is prescribed tetracycline. The nurse would be alert for an increased risk of toxicity if the client is taking which of the following?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is A

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A nurse is reviewing the medical record of a client who is prescribed tetracycline.
The nurse would be alert for an increased risk of toxicity if the client is taking which of the following?