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': 'Which of the following anaesthetic agents causes a rise in the Intracranial pressure: \nSelect and explain. \nA. Sevoflurane., B. Thiopentone sodium., C. Lignocaine., D. Propofol.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Sevoflurane', 'role': 'assistant'}]