This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Intravenous Anesthetic Agents, Subject name: Anaesthesia
The presence of active bronchospasm intravenous anaesthetic agent of choice : 
Select and explain. 
A. Ketamine, B. Thiopentone, C. Propofol, D. Etomidate
A: Ketamine
Answer: A: Ketamine 
Explanation: Ketamine has well-characterized bronchodilatory activity. In the presence of active bronchospasm it is agent of Choice. Propofol is also bronchodilator etomidate is also bronchodilator all inhalational agents are bronchodilator Halothane is best