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: Anaesthesia
Ketamine is safe in – 
Select and explain. 
A. Raised ICT, B. Open eye injury, C. Ischemic heart disease, D. Severe shock
D: Severe shock
Answer: D: Severe shock 
Explanation: Ketamine increases cardiac output and blood pressure → Intravenous anaesthetic of choice in shock.