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: Pharmacology
[{'content': 'Inducing agent of choice in shock ? \nSelect and explain. \nA. Isoflurane, B. Desflurane, C. Ketamine, D. Thiopentone', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Ketamine Inducing agent of choice in Asthma & COPD Ketamine. Inhalational agent of choice in Asthma & COPD --) Halothane.", 'role': 'assistant'}]