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
Inducing agent of choice in asthma 
Select and explain. 
A. Etomidate, B. Ketamine, C. Propofol, D. Induction
B: Ketamine
Answer: B: Ketamine 
Explanation: 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)