A client has a new prescription for dextromethorphan (Robitussin). Which of the following is a therapeutic use for this medication?

Asthma.

Cough suppression.

Reduction of pain.

Treatment of allergic rhinitis.

Answer and Explanation

The Correct Answer is B

Choice A rationale

Dextromethorphan is not used for asthma. Asthma treatment typically involves bronchodilators and anti-inflammatory medications.

Choice B rationale

Dextromethorphan is an antitussive used to suppress coughing. It acts on the cough center in the brain to reduce the urge to cough.

Choice C rationale

This medication is not used for pain reduction. Pain management usually involves analgesics or anti-inflammatory drugs.

Choice D rationale

Dextromethorphan is not indicated for allergic rhinitis. Allergic rhinitis treatments typically include antihistamines or nasal corticosteroids.

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Correct Answer is D

Explanation

Choice A rationale

Tumor enhancer genes are not typically a recognized category in cancer genetics. Proto-oncogenes and DNA repair genes are relevant to cancer development.

Choice B rationale

This choice is incorrect as there are genes like proto-oncogenes, tumor suppressor genes, and DNA repair genes that play roles in cancer.

Choice C rationale

This choice is partially correct but incomplete without including DNA repair genes, which are also crucial in cancer prevention.

Choice D rationale

This choice is correct as proto-oncogenes can become oncogenes, tumor suppressor genes prevent uncontrolled cell growth, and DNA repair genes fix DNA mutations that can lead to cancer.

A. Cimetidine. B. Warfarin. C. Tetracycline. D. Omeprazole.

Correct Answer is C

Explanation

Choice A rationale

Cimetidine is an H2 receptor antagonist used to treat acid-related disorders, not an antibiotic.

Choice B rationale

Warfarin is an anticoagulant used to prevent blood clots, not to treat infections.

Choice C rationale

Tetracycline is an antibiotic effective against a broad range of bacteria, including H. pylori.

Choice D rationale

Omeprazole is a proton pump inhibitor used to reduce stomach acid, not an antibiotic.

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A client has a new prescription for dextromethorphan (Robitussin). Which of the following is a therapeutic use for this medication?

Nursing Test Bank

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