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': 'For diagnosis of diabetes mellitus, Fasting blood glucose level should be more than- \nSelect and explain. \nA. 126mg\\/dl, B. 140mg\\/dl, C. l00mg\\/dl, D. 200mg\\/dl', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans is option 1 - 126mg/dl For diagnosis fasting blood sugar level should be more than or equal to 126mg/dl or 7mmol/l Ref Harrison 19 /2401', 'role': 'assistant'}]