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': 'A 35 years old man Ramu has fasting and post prandial blood sugar within normal limit but urine sugar is 3 plus (+++). The diagnosis is - \nSelect and explain. \nA. Renal Glycosuria, B. Pancreatic insufficiency, C. Alimentary glycosuria, D. High carbohydrate diet taken in the morning', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans is option 1 - renal glycosuria Renal glycosuria is characterized by excretion of glucose at normal concentration of glucose in blood. Here patient has normal blood glucose in both fasting and postprandial., Ref Harrison 15/2315', 'role': 'assistant'}]