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': "All of the following are used for graduation of coma is 'Glasgow coma scale' except \nSelect and explain. \nA. Eye opening, B. Motor response, C. Verbal response, D. Heart rate", 'role': 'user'}, {'content': 'Answer: D \nExplanation: The normal resting heart rate for adults over the age of 10 years, including older adults, is between 60 and 100 beats per minute (bpm). \nHighly trained athletes may have a resting heart rate below 60 bpm, sometimes reaching 40 bpm', 'role': 'assistant'}]