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 Sevoflurane – a) Isopropyl etherb) MAC is 2%c) Good to use in old aged) Blood gas partition coefficient is more than halothanee) Formation of compound A with baralyme \nSelect and explain. \nA. abe, B. bcd, C. cde, D. acd', 'role': 'user'}, {'content': "Answer: A \nExplanation: Sevoflurane is fluorinated isopropyl methyl ether (enflurane, desflurane & isoflurane are ethyl-methyl ether).\nMAC of sevoflurane is 2.0%.\nB.G. coefficient of sevoflurane (0.69) is less than halothane (2.4).\nAnaesthetic of choice for elderly patients is desflurane (not sevoflurane).\n\n—Morgan 4th/e 956\n\nSevoflurane forms compound 'A' with sodalime and Baralime.", 'role': 'assistant'}]