A nurse is caring for a client who is prescribed with azithromycin for pertussis. Which of the following is a complication of this medication that can cause cardiac dysrhythmias?

Tooth discoloration

Photosensitivity

Prolonged QT intervals

Shortened QT intervals

Answer and Explanation

The Correct Answer is C

A. Incorrect: Tooth discoloration is not a known complication of azithromycin.

B. Incorrect: Photosensitivity is more common with tetracyclines, not azithromycin.

C. Correct: Azithromycin can prolong the QT interval, increasing the risk of life-threatening arrhythmias such as torsades de pointes.

D. Incorrect: Azithromycin does not shorten the QT interval.

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Correct Answer is D

Explanation

A. Incorrect: A metallic taste is a common but mild side effect and does not require stopping the medication.

B. Incorrect: Dark-colored urine is a harmless and expected side effect of metronidazole.

C. Incorrect: Nausea is a common side effect but not a reason to discontinue the medication.

D. Correct: Seizures are a serious adverse effect of metronidazole and require immediate discontinuation and medical evaluation.

A. Administer the medication into the subcutaneous tissue. B. Tell the client to expect a temporary rash to develop following the injection. C. Monitor the client for 30 minutes following the injection. D. Ask the client about an allergy to penicillin before administering the medication.

Correct Answer is ["C","D"]

Explanation

A. Incorrect – Blood creatinine: Measures kidney function but does not diagnose UTIs or identify the causative organism.

B. Incorrect – Blood culture: Used to detect bacteria in the bloodstream (e.g., sepsis) but does not identify a UTI-causing pathogen.

C. Correct – Urine culture and sensitivity: This test identifies the specific bacteria causing the UTI and determines which antibiotics will be most effective for treatment.

D. Incorrect – Complete Blood Count (CBC): Can show elevated WBCs, indicating infection, but does not determine the pathogen.

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A nurse is caring for a client who is prescribed with azithromycin for pertussis. Which of the following is a complication of this medication that can cause cardiac dysrhythmias?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is teaching a client who is beginning a course of metronidazole to treat a bacterial infection. For which of the following findings of an adverse effect should the nurse instruct the client as a priority to Stop taking metronidazole and notify the provider?

Correct Answer is D

Explanation

A nurse is preparing to administer a drug via an intramuscular (IM) route to an adult client who has a bacterial infection. Which actions should the nurse plan to take? (Select All That Apply.)

Correct Answer is ["C","D"]

Explanation

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