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: 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: Answer is A (Renal Glycosuria): 'Renal glycosuria' is characterized by urinary excretion of glucose at normal concentration of glucose in blood: Patient in question is testing positive for urinary glucose despite normal levels of both fasting and postprandial glucose in blood. This thus leads us to the diagnosis of renal glycosuria.", 'role': 'assistant'}]