Which of the following statements is true about medications that are AGONISTS?
Medications that block the usual receptor activity that endogenous compounds regulate or the receptor activity of other medications.
Medications that bind to or mimic the receptor activity that endogenous compounds regulate
Medications that bind or block receptor activity with Limited affinity to receptor sites.
None of the above
The Correct Answer is B
A. This describes an antagonist, not an agonist.
B. Agonists are medications that bind to receptors and mimic the actions of naturally occurring substances in the body.
C. This is incorrect because agonists generally have a high affinity for their receptors and activate them.
D. This is incorrect, as option B accurately describes an agonist.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Mannitol is an osmotic diuretic, and although it can cause dehydration and electrolyte imbalances, it does not specifically cause hypokalemia as a primary side effect.
B. Spironolactone is a potassium-sparing diuretic, so it is less likely to cause hypokalemia. In fact, it can cause hyperkalemia.
C. Furosemide is a loop diuretic that increases urine output and can lead to potassium loss, causing hypokalemia. This is a common complication of loop diuretics.
D. Metformin is an oral antidiabetic medication and is not a diuretic, so it is not associated with hypokalemia.
Correct Answer is D
Explanation
A. Hydrochlorothiazide does not typically cause increased swelling of the ankles. It is a diuretic and helps reduce fluid retention.
B. Fluid intake should not be restricted unless specifically indicated. Diuretics like hydrochlorothiazide increase urine output, and adequate fluid intake is generally encouraged to prevent dehydration.
C. Taking hydrochlorothiazide at bedtime is not recommended due to the increased urination, which may disrupt sleep.
D. Taking this medication with food can help prevent gastrointestinal upset, which is a common side effect of hydrochlorothiazide.
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