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': 'Use of atropine in pre-anaesthetic medication has all of the following effects except: March 2012 \nSelect and explain. \nA. Prevent hypotension, B. Bronchoconstriction, C. Prevent bradycardia, D. Decrease secretion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans: B i.e. Bronchoconstriction The main aim of using anticholinergics (atropine) as preanaesthetic medication is to prevent vagal bradycardia and hypotension, and prophylaxis of laryngospasm (which is precipitated by respiratory secretions)', 'role': 'assistant'}]