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: Pharmacology
[{'content': 'Which of the following increases the intraocular pressure: \nSelect and explain. \nA. Propofol, B. Thiopentone, C. Ketamin, D. Barbiturate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ketamine increases the intraocular pressure.', 'role': 'assistant'}]