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: Pharmacology
Which intravenous anesthetic is a potent bronchodilator/ choice of agent in asthmatic patient: 
Select and explain. 
A. Propofol, B. Thiopentone, C. Ketamine, D. Midazolam
C: Ketamine
Answer: C: Ketamine 
Explanation: None