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
[{'content': 'Anesthetic of choice for status asthmaticus is? \nSelect and explain. \nA. Ketamine, B. Thiopentone, C. Ether, D. N2O', 'role': 'user'}, {'content': "Answer: A \nExplanation: ANSWER: (A) Ketamine REF: Morgan's 3rd e p. 515Anesthetic of choice in status asthmaticusChildren - halothaneAdults - ketamine", 'role': 'assistant'}]