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: Anaesthesia
[{'content': 'Preanaesthetic medication is done for all except: March 2012 \nSelect and explain. \nA. Prevent aspiration, B. Produce amnesia for peri-operative events, C. Decrease blood pressure, D. Decrease dose of anaesthetic agent', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans: C i.e. Decrease blood pressure Premedications are not used to decrease blood pressure', 'role': 'assistant'}]