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

This medication will not change the effects of normal cellular functions.

This medication can block the usual receptor activity.

This medication will increase the effects of normal cellular functions.

This medication will increase and decrease the effects on normal cellular functions.

Answer and Explanation

The Correct Answer is B

Choice A rationale

This statement is incorrect because an antagonist medication changes the effects of normal cellular functions by blocking receptors.

Choice B rationale

An antagonist medication binds to receptors and blocks the usual receptor activity, preventing the normal action of the endogenous substance.

Choice C rationale

This statement describes an agonist medication, which binds to receptors and increases the effects of normal cellular functions.

Choice D rationale

This statement is incorrect because an antagonist medication does not both increase and decrease the effects on normal cellular functions; it primarily blocks receptor activity.

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Correct Answer is B

Explanation

Choice B rationale

Withholding the medication and notifying the provider is the appropriate intervention when a client's blood pressure is significantly low, such as 80/60 mmHg. Administering metoprolol, a beta-blocker, in this scenario could further lower the blood pressure, causing more harm. The provider needs to be informed to reassess the treatment plan.

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

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client with hypertension that is prescribed metoprolol due at 0900.The nurse took the client's blood pressure at 0855, and it was noted to be 80/60. The client also notes that he feels dizzy and weak.What is the next intervention for the nurse?

Correct Answer is B

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

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