Description
NR565 week 7 quiz
- Which of the following best describes the mechanism of action of ondansetron (Zofran)?
A. Stimulates serotonin receptors to reduce gastrointestinal motility
B. Blocks 5-HT3 serotonin receptors in the chemoreceptor trigger zone (CTZ) and vagal afferents
C. Antagonizes histamine receptors in the vestibular apparatus
D. Blocks dopamine receptors in the chemoreceptor trigger zone (CTZ)
Correct Answer: B. Blocks 5-HT3 serotonin receptors in the chemoreceptor trigger zone (CTZ) and vagal afferents
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