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: Pharmacology
[{'content': 'Atropine when used as a pre-medication causes all of the following symptoms except - \nSelect and explain. \nA. Skin flush, B. Bronchoconstriction, C. Prevents bradycardia, D. Dryness of mouth', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Bronchoconstriction Atropine causes bronchodilation.", 'role': 'assistant'}]