This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anaesthesia, Subject name: Anaesthesia
[{'content': 'Which sensitizes the myocardium to catecholamines? \nSelect and explain. \nA. Nitrous oxide, B. Halothane, C. Isoflurane, D. Desflurane', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Halothane sensitizes the myocardium to the dysarrhythmogenic effects of catecholamines. Halothane anesthesia is also associated with fulminant hepatic necrosis Basics of Anaesthesia 7e pg: 94', 'role': 'assistant'}]