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': 'Atropine as preanesthesia has all effects except \nSelect and explain. \nA. Decrease secretion, B. Bronchoconstriction, C. Prevent bradycardia, D. Prevent hypotension', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Bronchoconstrictor', 'role': 'assistant'}]