This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous General Anesthesia, Subject name: Anaesthesia
Ketamine is useful as an anesthetic agent in - 
Select and explain. 
A. Ischemic heart disease, B. Intracranial hemorrhage, C. Hyperactive airways, D. Glaucoma
C: Hyperactive airways
Answer: C: Hyperactive airways 
Explanation: Ans. is 'c' i.e., Hyperactive airways o Ketamine is a potent bronchodilator and relieves bronchospasm - Intravenous anaesthetic agent of choice in asthmatico Ketamine increases ICT, IOP and cardiac oxygen demand, therefore contraindicated in other three conditions.o Note - Inhalation anaesthetic agent of choice in asthmatics is halothane.