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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Metoprolol is a beta-blocker that is commonly used to manage hypertension and control heart rate. It works by blocking beta-adrenergic receptors, which decreases heart rate and blood pressure.
Choice B rationale
Enoxaparin is an anticoagulant used to prevent and treat deep vein thrombosis and pulmonary embolism, not primarily to manage hypertension.
Choice C rationale
Heparin is an anticoagulant used to prevent and treat blood clots, and it is not indicated for the management of hypertension.
Choice D rationale
Simvastatin is a lipid-lowering medication used to manage high cholesterol levels and is not used to manage hypertension.
Correct Answer is B
Explanation
Choice A rationale
Albuterol is a bronchodilator used to treat or prevent bronchospasm in people with reversible obstructive airway disease. It is not considered an anti-infective medication.
Choice B rationale
Ciprofloxacin is an anti-infective medication used to treat a variety of bacterial infections. It belongs to a class of drugs called quinolone antibiotics.
Choice C rationale
Metformin is an oral diabetes medicine that helps control blood sugar levels. It is not considered an anti-infective medication.
Choice D rationale
Warfarin is an anticoagulant (blood thinner) used to prevent blood clots. It is not considered an anti-infective medication.
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