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
Intracranial pressure is increased by which of the following inducing agent: 
Select and explain. 
A. Thiopentone, B. Ketamine, C. Etomidate, D. Propofol
B: Ketamine
Answer: B: Ketamine 
Explanation: Ketamine