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': 'True about halothane: \nSelect and explain. \nA. Causes bronchodilation, B. Anti-arrhthmic, C. Can be used in hepatitis, D. Uterine contraction occurs', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Causes bronchodialation', 'role': 'assistant'}]