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 one of the following inhalational anesthetics is most likely to cause fluoride ion nephrotoxicity \nSelect and explain. \nA. Methoxyflurane, B. Enflurane, C. Halothane, D. Isoflurane', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Methoxyflurane causes dose-related nephrotoxicity because of the inorganic fluoride that resulted from the metabolism of this anaesthetic.Basics of Anaesthesia 7e pg 86', 'role': 'assistant'}]