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': 'The most common neurologic abnormality that occurs with head injury is- \nSelect and explain. \nA. Hemiplegia, B. Ocular nerve palsy, C. Altered consciousness, D. Convulsion', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]