This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Drugs, Subject name: Medicine
Drug of choice for cisplatin induced emesis is : 
Select and explain. 
A. Metoclopramide, B. Domperidone, C. Ondansetron, D. Octreotide
C: Ondansetron
Answer: C: Ondansetron 
Explanation: Ans. is 'c' Ondansetron (Ref Harrison, 17/e, p 243 & 16/e, p 221 (15/e, p. 238)).Ondansetron is an antiemetic agent (5HT3 antagonist). It is mainly used to prevent cancer chemotherapy induced emesis.Other usesRadiotherapy induced emesis*Postoperative emesis*Anaesthesia induced emesis