This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
[{'content': 'Revised trauma score is \nSelect and explain. \nA. Glasgow coma scale, B. Pulse, C. RR, D. BP', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Glasgow coma scale : Total score = 13-15 Mild head injury = 9-12 Mild = 3-8 Ref : SRB&;s 4thE pg:1175', 'role': 'assistant'}]