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
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. 
Select and explain. 
A. Renal Glycosuria, B. Pancreatic insufficiency, C. Alimentary glycosuria, D. High carbohydrate diet taken in the morning
A: Renal Glycosuria
Answer: A: Renal Glycosuria 
Explanation: 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.