This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': 'In severe liver failure, Anaesthetic of choice is \nSelect and explain. \nA. Halothane, B. Isoflurane, C. Methoxyflurane, D. Enflurane', 'role': 'user'}, {'content': "Answer: B \nExplanation: (Isoflurane) (134-Lee's 13th) (373 - KDT 6th)ISOFLURANE - Repeated iso flurane administration have failed to produce measurable changes in liver function Renal and hepatic toxicity has not been encountered.* Anaesthetic choice in - Neurosurgery and safer in myocardial ischaemiaSEVOFLURANE - anaesthetic choice in Liver / Kidney diseases* It may trigger malignant hyperpyrexia in susceptible individuals* Well tolerated in both children and adults* Muscle relaxant of choice in hepatic & renal failure - cisatracurium**", 'role': 'assistant'}]