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': 'Which one of the following agents sensitizes the myocardium to catecholamines - \nSelect and explain. \nA. Isoflurane, B. Ether, C. Halothane, D. Propofol', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Halothane tends to sensitize the hea to arrhythmogenic action of adrenaline - contraindicated in pheochromocytoma. Ref: Manuel C Pardo Jr and Ronaldo D Miller 7th Ed.', 'role': 'assistant'}]