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': 'A patient having Glasgow score of 12 is suffering from \nSelect and explain. \nA. Minor head injury, B. Mild head injury, C. Moderate head injury, D. Severe head injury', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Severity of head injury is classified according to the Glasgow Coma Score (GCS), as the GCS – and in particular the motor score – is the best predictor of neurological outcome:\n- Minor head injury: GCS 15 with no loss of consciousness (LOC);\n- Mild head injury: GCS 14 or 15 with LOC;\n- Moderate head injury: GCS 9–13;\n- Severe head injury: GCS 3–8.', 'role': 'assistant'}]