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
The following increases Intra Ocular pressure: 
Select and explain. 
A. Thiopentone, B. Althesin, C. Ketamine, D. Barbiturate
C: Ketamine
Answer: C: Ketamine 
Explanation: Ketamine