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': 'Which of the following agents is used for day care surgery \nSelect and explain. \nA. Propofol, B. Thiopentone, C. Diazepam, D. Ketamine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Refer Katzung 12th/440 Propofol is drug of choice for day care surgery', 'role': 'assistant'}]