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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Excretion is a phase of pharmacokinetics where the drug or its metabolites are eliminated from the body, primarily via the kidneys.
Choice B rationale
Phlebitis is inflammation of a vein and is not a phase of pharmacokinetics. It is a medical condition rather than a pharmacokinetic process.
Choice C rationale
Distribution is a phase of pharmacokinetics where the drug is dispersed throughout the body’s tissues and fluids after absorption.
Choice D rationale
Absorption is a phase of pharmacokinetics where the drug is absorbed into the bloodstream from the site of administration.
Correct Answer is D
Explanation
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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