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
Anesthetic agent (s) safe to use in ICP 
Select and explain. 
A. Halothane, B. Thiopentone, C. Ketamine, D. Ether
B: Thiopentone
Answer: B: Thiopentone 
Explanation: Anesthetic agents safe to use in raised intracranial pressure (ICP) are thiopentone, propofol & etomidate. Ref: Manuel C Pardo Jr and Ronaldo D Miller 7th Ed.