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: Surgery
[{'content': 'Which of the following should not be used in reducing intracranial pressure in head trauma patients \nSelect and explain. \nA. Furosemide, B. Thiopentone, C. Hydrocortisone, D. Mannitol', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Steroids in severe head injury are associated with increased mortality and should not be used.', 'role': 'assistant'}]