This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'Diabetes melitus is diagnosed if fasting blood glucose is ? \nSelect and explain. \nA. >100, B. >126, C. >110, D. >116', 'role': 'user'}, {'content': "Answer: B \nExplanation: Criteria for the diagnosis of Diabetes mellitus : * Symptoms of diabetes plus random blood glucose concentration >= 11.1 mmol/L (200 mg/dL) or * Fasting plasma glucose >= 7.0 mm/L (126 mg/dL) or * Glycosylated haemoglobin >= 6.5% or * 2-hr plasma glucose >= 11.1 mmol/L (200 mg/dL) during an oral glucose tolerance test. Normal fasting blood glucose : 70-110 mg/dL Reference : page 2401 Harrison's Principles of Internal Medicine 19th edition", 'role': 'assistant'}]