A nurse is caring for a client who is starting a course of gentamicin IV for a bacterial infection. Which of the following is the correct expected pharmacological action for this medication?

This medication blocks COX-I and COX-2 enzymes.

This medication reduces the production of angiotensin Il by blocking the conversion of angiotensin I to angiotensin Il and increases levels of bradykinin.

This medication is bactericidal antibiotic that destroys microorganisms by disrupting protein synthesis.

This medication blocks the action of angiotensin ll. which results in vasodilation and excretion of sodium and water.

Answer and Explanation

The Correct Answer is C

A. Incorrect: COX-1 and COX-2 enzyme inhibition is the mechanism of NSAIDs (e.g., ibuprofen), not gentamicin.

B. Incorrect: This describes the mechanism of ACE inhibitors (e.g., enalapril), not gentamicin.

C. Correct: Gentamicin is an aminoglycoside antibiotic that inhibits bacterial protein synthesis, leading to bacterial cell death.

D. Incorrect: This describes the action of angiotensin II receptor blockers (ARBs), not gentamicin.

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Correct Answer is C

Explanation

A. Incorrect: Taking antibiotics with milk can decrease absorption and effectiveness.

B. Incorrect: Antibiotics for H. pylori should be taken on a fixed schedule, not as needed.

C. Correct: Antibiotics can disrupt normal flora, increasing the risk of yeast infections. Clients should report signs of candidiasis (e.g., white patches in the mouth, vaginal itching).

D. Incorrect: Stopping antibiotics early can lead to incomplete eradication of H. pylori and antibiotic resistance.

A. Cyanocobalamin B. Pyridoxine C. Vitamin K D. Protamine sulfate

Correct Answer is B

Explanation

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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A nurse is caring for a client who is starting a course of gentamicin IV for a bacterial infection. Which of the following is the correct expected pharmacological action for this medication?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is teaching a client about taking to treat a gastrointestinal (Gl) infection due to Helicobacter pylori. Which of the following statements should the nurse identify as an indication that the client understands the instructions?

Correct Answer is C

Explanation

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?

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?

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.

The nurse is caring for a client who is prescribed to treat acne vulgaris. Which Of the following Options are complications of this medication? (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 caring for a client who has a cerebrospinal fluid infection with gram-negative bacteria. Which of the following cephalosporins should the nurse expect to administer via the intravenous (IV) route to treat this infection?

A nurse is planning discharge teaching for a female client who has a prescription for trimethoprim-sulfamethoxazole (Bactrim). Which of the following information should the nurse include?