The most effective antiemetic for controlling cisplatin induced vomiting is:: (A) Prochlorperazine, (B) Ondansetron, (C) Metoclopramide, (D) Aprepitant
Answer is B. (Ref: KDT 6/e p646) 5HT3 antagonists like ondansetron, granisetron and topisetron are the agents of choice for chemotherapy induced vomiting.