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

This medication will block the effects of normal cellular functions.

This medication will accelerate hormones in your body from attaching to cell receptor sites.

This medication minimizes the risk that other medications you take become toxic.

This medication will increase the cells in your body from performing certain actions.

Answer and Explanation

The Correct Answer is A

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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Correct Answer is ["A","B"]

Explanation

Choice A rationale

Cetirizine is an antihistamine used to relieve allergy symptoms such as runny nose, itching, and sneezing. It works by blocking histamine, a substance in the body that causes allergic reactions.

Choice B rationale

Diphenhydramine is also an antihistamine used to treat symptoms of allergy, hay fever, and the common cold. It works by blocking the effects of histamine in the body.

Choice C rationale

Beclomethasone is a corticosteroid used to prevent and control symptoms such as wheezing and shortness of breath caused by asthma. It is not classified as an antihistamine.

Choice D rationale

Phenylephrine is a decongestant used to relieve nasal discomfort caused by colds, allergies, and hay fever. It is not classified as an antihistamine.

A. Do not give the medication and notify the provider for further clarification. B. Administer the medication and then monitor for adverse reactions. C. Notify the provider immediately before giving the medication. D. Check the medication's expiration date before administering it.

Correct Answer is D

Explanation

Choice A rationale

Not giving the medication and notifying the provider can cause unnecessary delays in treatment.

Choice B rationale

Administering the medication without checking the expiration date can result in administering an ineffective or harmful medication.

Choice C rationale

There is no need to notify the provider if the medication is already prescribed and not expired.

Choice D rationale

Checking the medication's expiration date ensures the medication is safe to administer and effective.

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

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is providing an in-service to the unit about medications that are classified as antihistamines.Which of the following medications are considered an antihistamine? (Select All That Apply).

Correct Answer is ["A","B"]

Explanation

Verify the client's identity and administer the medication as prescribed.

Correct Answer is D

Explanation

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