A nurse is caring for a child who is allergic to penicillin. Which of the following medications should the nurse identify as contraindicated for the child?

Gentamicin sulfate

Amphotericin B

Erythromycin

Amoxicillin-clavulanate

Answer and Explanation

The Correct Answer is D

A. Gentamicin sulfate is an aminoglycoside antibiotic and is not chemically related to penicillin; it is not contraindicated.
B. Amphotericin B is an antifungal and does not share cross-reactivity with penicillin.
C. Erythromycin is a macrolide antibiotic and is safe for clients with penicillin allergy.
D. Amoxicillin-clavulanate is a penicillin derivative and is contraindicated in children with a known penicillin allergy due to the risk of an allergic reaction.

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Correct Answer is B

Explanation

A. Grapefruit does not have a significant interaction with metformin and is generally considered safe in moderation.
B. Alcohol should be avoided while taking metformin because it increases the risk of lactic acidosis, a rare but serious complication.
C. Milk does not interact adversely with metformin; consuming dairy products is generally safe.
D. Shellfish is not contraindicated with metformin and does not affect the medication’s efficacy or safety.

A. Decreased BUN B. Increased urine specific gravity C. Decreased hematocrit D. Increased urine ketones

Correct Answer is B

Explanation

A. BUN (blood urea nitrogen) typically increases, not decreases, in fluid volume deficit due to hemoconcentration.
B. Increased urine specific gravity indicates concentrated urine, which is expected in fluid volume deficit.
C. Hematocrit usually increases, not decreases, because of hemoconcentration.
D. Urine ketones are not a typical finding of fluid volume deficit unless related to starvation or diabetes.

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A nurse is caring for a child who is allergic to penicillin. Which of the following medications should the nurse identify as contraindicated for the child?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is B

Explanation

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