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
[{'content': 'Anaesthetic agent(s) safe to use in↑ICP – \nSelect and explain. \nA. Halothane, B. Thiopentone, C. Ketamine, D. Ether', 'role': 'user'}, {'content': 'Answer: B \nExplanation: All IV inducing agents (including thiopentone) except for ketamine decrease ICT.\nKetamine increases ICT.\nInhalational agents (Ether, Halothane) increase ICT.', 'role': 'assistant'}]