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': 'Intraocular pressure is increased by which anaesthetic? \nSelect and explain. \nA. Ketamine, B. Propofol, C. N20, D. Isoflurane', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Ketamine", 'role': 'assistant'}]