This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
The following causes increased intra cranial pressure: 
Select and explain. 
A. Thiopentone, B. Aithesin, C. Ketamine, D. Barbiturate
C: Ketamine
Answer: C: Ketamine 
Explanation: Ketamine increases cerebral blood flow and intracranial pressure. Hence contraindicated in raised ICT. All other given drugs donot cause raised ICT and is hence safe in ICT.