This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
[{'content': 'Induction agent of choice in day care surgery is: \nSelect and explain. \nA. Ketamine, B. propofol, C. Methohexitone, D. Thiopentone sodium', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Quick induction (30sec) and rapid recovery(4min) are possible from a single dose. Also has anti emetic propey. Due to rapid recovery preferred in day time cases. Effect of ketamine lasts for 10-15 min after a single injection. Thiopentone is neither a good analgesic nor muscle relaxant and duration of action is 4-7min From padmaja 4th edition Page no 195,194', 'role': 'assistant'}]