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 A

Explanation

A. Correct: Acyclovir is an antiviral medication used to treat herpes zoster (shingles) by reducing the severity and duration of symptoms.

B. Incorrect: Metronidazole is an antibacterial and antiprotozoal drug, not used for viral infections.

C. Incorrect: Isoniazid is used for tuberculosis, not herpes zoster.

D. Incorrect: Cefepime is a cephalosporin antibiotic used for bacterial infections, not viral infections.

A. Teach the client about the use of incentive spirometer. B. Monitor the client for cough. C. Obtain a sputum culture. D. Administer an antibiotic

Correct Answer is C

Explanation

A. Incorrect: Teaching about an incentive spirometer is important for lung expansion but is not the priority before confirming the infection.

B. Incorrect: Monitoring the cough is essential but does not directly lead to a diagnosis.

C. Correct: A sputum culture should be obtained before administering antibiotics to ensure appropriate treatment based on pathogen identification.

D. Incorrect: Administering an antibiotic is important but should be done after obtaining a sputum culture to ensure proper selection of the antimicrobial agent.

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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

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Correct Answer is A

Explanation

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Correct Answer is C

Explanation

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