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: Medicine
[{'content': 'A head injured patient, who opens eyes to painful stimulus, is confused and localizes to pain. What is the Glassgow coma score : \nSelect and explain. \nA. 7, B. 9, C. 11, D. 13', 'role': 'user'}, {'content': "Answer: C \nExplanation: Answer is C (11): A head injury patient who opens eyes to painfid stimulus (2), is confused (4) and localizes pain (5) has a GCS `Glasgow coma scale' score of 11.", 'role': 'assistant'}]