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: Unknown
[{'content': 'Which of the following inhalational agent is the most soluble in blood? \nSelect and explain. \nA. Halothane, B. Isoflurane, C. Enflurane, D. Desflurane', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Blood/gas partition coefficient:· The ratio of concentration in blood to that in gas. High value denotes an agent very soluble in blood. Inhalational agent coefficient Halothane Isoflurane Enflurane Desflurane Sevoflurane\nMost soluble in blood is halothane.\nLeast soluble in blood is desflurane.', 'role': 'assistant'}]