This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Antiemetic used in vomiting induced by anticancer drugs is: \nSelect and explain. \nA. Ondansetron, B. Cisapride, C. Metoclopramide, D. Tritluopromazine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ondansetron', 'role': 'assistant'}]