Difficulty: Medium
Average Score: 82%
Full-length
Which of the following medications is a serotonin antagonist that might be used to relieve nausea and vomiting?
Correct answer
B
Rationale
Ondansetron is a serotonin (5-HT3) receptor antagonist effective for nausea and vomiting, particularly in chemotherapy or postoperative settings. The other medications have different mechanisms. Physiological Adaptation