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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

Answer and Explanation

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.

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Correct Answer is ["B","C","D"]

Explanation

A. Priapism is a rare side effect that can occur with certain medications, but it is not commonly associated with cimetidine.
B. Cimetidine, a H2 blocker used for stomach acid reduction, can cause decreased libido as a side effect, especially in long-term use, due to its antiandrogenic properties.
C. Sedation is a potential side effect of cimetidine, as it can cross the blood-brain barrier and cause central nervous system effects such as drowsiness.
D. Impotence is another side effect of cimetidine, due to its antiandrogenic effects.

A. “This medication is also used to treat male pattern baldness." B. "Complications of this medication are priapism, sudden hearing loss, and myocardial infarction." C. "You should use take this medication 30 minutes to 4 hours before sexual activity D. "A complication of this medication is incontinence"

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

Explanation

A. "This medication is also used to treat male pattern baldness.": Sildenafil is not indicated for treating male pattern baldness; it is used for erectile dysfunction.
B. "Complications of this medication are priapism, sudden hearing loss, and myocardial infarction.": This is correct, as sildenafil can cause these serious side effects.
C. "You should take this medication 30 minutes to 4 hours before sexual activity.": This is correct, as sildenafil is typically taken within this time frame.
D. "A complication of this medication is incontinence.": Incontinence is not a known complication of sildenafil use.

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Which of the following statements is true about medications that are AGONISTS?

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is prescribed with cimetidine (Tagamet HB). The nurse understands that complications of cimetidine (Tagamel HB) include: (Select All That Apply.).

Correct Answer is ["B","C","D"]

Explanation

A client is newly diagnosed with erectile dysfunction and has been prescribed sildenafil (Viagra). Which of the following statements should the nurse NOT include in her client education about sildenafil (Viagra)? (Select All That Apply.).

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

Explanation

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