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 A

Explanation

Choice A rationale

Beclomethasone (QVAR) is an inhaled corticosteroid used for long-term prophylaxis of asthma. It works by reducing inflammation in the airways, preventing asthma attacks and improving lung function.

Choice B rationale

Metoprolol is a beta-adrenergic blocker used for treating hypertension and certain heart conditions. It is not used for asthma management.

Choice C rationale

Phenytoin is an antiepileptic medication used to control seizures. It does not have a role in asthma management.

Choice D rationale

Furosemide is a loop diuretic used to treat conditions like edema and hypertension by promoting the excretion of excess fluid. It is not indicated for asthma management.

A. This medication will block the effects of normal cellular functions. B. This medication will accelerate hormones in your body from attaching to cell receptor sites. C. This medication minimizes the risk that other medications you take become toxic. D. This medication will increase the cells in your body from performing certain actions.

Correct Answer is A

Explanation

Choice A rationale

A receptor antagonist blocks the effects of normal cellular functions by binding to receptor sites and preventing endogenous substances (like hormones or neurotransmitters) from activating those receptors.

Choice B rationale

Receptor antagonists do not accelerate hormones attaching to cell receptor sites; they prevent this process by blocking the receptors.

Choice C rationale

Receptor antagonists do not minimize the risk of other medications becoming toxic. They specifically block the action of certain endogenous substances.

Choice D rationale

Receptor antagonists do not increase the action of cells; rather, they inhibit or block the usual effects.

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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

Naxlex Comprehensive Predictor Exams

Which of the following medications is an inhaled agent used for long-term prophylaxis of asthma?

Correct Answer is A

Explanation

A nurse is teaching a client about a medication that has a receptor antagonist effect.Which information should the nurse include in the teaching?

Correct Answer is A

Explanation

A client is newly prescribed with metformin (Glucophage) for type 2 diabetes.Which of the following statements indicate that the client understands the teaching of metformin?

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