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': 'Inducing agent of choice in asthma \nSelect and explain. \nA. Etomidate, B. Ketamine, C. Propofol, D. Induction', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Ketamine Inducing agent of choice in Asthma & COPD --> Ketamine. Inhalational agent of choice in Asthma & COPD ---> Halothane. Propofol and etomidate are alternates to ketamine for indcution in asthmatic patients. Drugs considered safe for asthmatics Induction Propofol, etomidate, ketamine Opioids Pethidine, Fentanyl, alfentanil Muscle relaxants Vecuronium, rocuronium, Pancuronium Volatile agents Halothane, Isoflurane, Sevoflurane, Desflurane, N20 Other Benzodiazepines (Amongst hypnotics, BZD are safe)", 'role': 'assistant'}]