A nurse is caring for a client who has diabetes mellitus and pulmonary tuberculosis, and a new prescription for isoniazid. The client reports tingling and numbness of the hands and feet. The nurse should expect which of the following drugs to prevent this adverse effect of INH?

Cyanocobalamin

Pyridoxine

Vitamin K

Protamine sulfate

Answer and Explanation

The Correct Answer is B

A. Incorrect: Cyanocobalamin (vitamin B12) is used to treat pernicious anemia, not INH-induced neuropathy.

B. Correct: Isoniazid can cause peripheral neuropathy by depleting vitamin B6 (pyridoxine). Supplementing with pyridoxine prevents this adverse effect.

C. Incorrect: Vitamin K is used for warfarin reversal and does not prevent neuropathy.

D. Incorrect: Protamine sulfate is an antidote for heparin overdose, unrelated to INH therapy.

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Correct Answer is B

Explanation

A. Incorrect: Stopping antibiotics early can lead to incomplete eradication of the infection and resistance.

B. Correct: Clients should always complete the full prescribed course of antibiotics to ensure the infection is fully treated and to prevent resistance.

C. Incorrect: Clients should abstain from sexual activity or use protection to prevent reinfection or transmission of the STI.

D. Incorrect: Metronidazole is an antibacterial and antiprotozoal drug, not an antiviral. It does not affect hormonal contraception, but alcohol consumption should be avoided while taking it.

A. Tooth discoloration B. Photosensitivity C. Prolonged QT intervals D. Shortened QT intervals

Correct Answer is C

Explanation

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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A nurse is caring for a client who has diabetes mellitus and pulmonary tuberculosis, and a new prescription for isoniazid. The client reports tingling and numbness of the hands and feet. The nurse should expect which of the following drugs to prevent this adverse effect of INH?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is teaching a client who is beginning a course of metronidazole to treat a sexually transmitted infection (STI). Which of the following responses by the nurse should be included in the client education of this medication?

Correct Answer is B

Explanation

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?

Correct Answer is C

Explanation

A nurse is caring for a client starting a course of gentamicin IV for a serious respiratory infection. Which of the following manifestations should the nurse monitor as an adverse effect of this medication? (Select All That Apply.).

A nurse is administering gentamicin by intravenous (IV) route at 0900. The medication will take 60 minutes to infuse. When should the nurse obtain a blood sample for a peak blood level of gentamicin?

A nurse is administering acyclovir via intravenous (IV) route to a client who has varicella. Which of the following actions should the nurse take?

A. Incorrect: Deep vein thrombosis (DVT) is not a known complication of isoniazid.

A nurse is implementing a plan of care for a client who has a cough with sputum. The nurse suspects that the client has a respiratory infection. What is the nurse's priority?

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.)

A nurse is teaching a client about the manifestations of urinary tract infection. Which of the following tests is needed to determine which microorganism is causing the infection?

A nurse is teaching a group of nurses about the importance of prophylactic antimicrobial therapy. Which information should the primary nurse include in the teaching? (Select All That Apply).