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A nurse is caring for a client with allergic rhinitis.
The client is newly prescribed guaifenesin.
What is the medication class for this medication?

Decongestant.

Mucolytic.

Antitussive.

Expectorant.

Answer and Explanation

The Correct Answer is D

Choice A rationale

Decongestants relieve nasal congestion by reducing swelling of the nasal passages.

Choice B rationale

Mucolytics thin and loosen mucus in the airways, making it easier to cough up.

Choice C rationale

Antitussives suppress coughing.

Choice D rationale

Expectorants, like guaifenesin, help thin and loosen mucus, making it easier to clear from the airways.

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Correct Answer is D

Explanation

Choice A rationale

Albuterol is a bronchodilator used to relax muscles in the airways and increase airflow to the lungs. It is primarily used in conditions such as asthma and chronic obstructive pulmonary disease (COPD), not as a decongestant.

Choice B rationale

Beclomethasone is a corticosteroid used to reduce inflammation in conditions such as asthma and allergic rhinitis. While it helps with symptoms, it is not classified as a decongestant.

Choice C rationale

Diphenhydramine is an antihistamine that alleviates allergy symptoms by blocking histamine action. It can relieve sneezing, itching, and runny nose but is not classified as a decongestant.

Choice D rationale

Phenylephrine is a decongestant that works by constricting blood vessels in the nasal passages. This reduces swelling and congestion, making it effective for managing symptoms of allergic rhinitis. .

A. Proto-oncogenes, tumor enhancer genes, and DNA repair genes. B. None of the above. C. Proto-oncogenes and tumor suppressor genes. D. Proto-oncogenes, tumor suppressor genes, and DNA repair genes.

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.

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A nurse is caring for a client with allergic rhinitis.The client is newly prescribed guaifenesin.What is the medication class for this medication?

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A nurse is caring for a client with allergic rhinitis.
The client is newly prescribed guaifenesin.
What is the medication class for this medication?