This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and Reproduction, Subject name: Physiology
[{'content': 'The arterial blood glucose concentration in normal humans after a meal is in the range of: \nSelect and explain. \nA. 30 to 50mg/dL, B. 50 to 70mg/dL, C. 120 to 150 mg/dL, D. 220 to 250 mg/dL', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. 120 to 150 mg/dLUnlike patients who have diabetes, healthy humans are capable of keeping their blood glucose within a relatively narrow range after a meal, 120 to 150 mg/dL. Blood levels of 30 to 50 mg/dL and 50 to 70 mg/dL indicate hypoglycemia, and blood levels of 220 to 250 mg/dL and 300 to 350 mg/dL indicate hyperglycemia.', 'role': 'assistant'}]