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': 'ICT is raised due to: \nSelect and explain. \nA. Ketamine, B. Scoline, C. Halothane, D. Ether', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Ketamine', 'role': 'assistant'}]