This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anaesthesia For Special Situations, Subject name: Anaesthesia
Anesthesia of choice in status asthmaticus is? 
Select and explain. 
A. Thiopentone, B. Ketamine, C. Ether, D. N2O
B: Ketamine
Answer: B: Ketamine 
Explanation: Ans. is 'b' i.e., Ketamine Anesthetics in status asthmaticus* Ketamine is the intravenous inducing anaesthetic of choice.* Halothane is the inhalational agent of choice.* Halothane or sevoflurane are the agent of choice in children.* Though thiopentone is used in simple Asthma, it is contraindicated in status asthmaticus.