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': 'Reversible diabetic nephropathy is characterized by: \nSelect and explain. \nA. Microalbuminuria, B. Macroalbuminuria, C. Kimmelstiel Wilson lesion, D. Diffuse glomerulosclerosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Microalbuminuria (<300 mg/day or <300mg/d) shows that diabetic nephropathy is reversible. Overt proteinuria ie >300mg/d is usually irreversible.\xa0\nThe most common histological pattern in DM is Diffuse Glomerulosclerosis.\xa0\nThe most typical histological pattern in DM is Kimmelstiel-Wilson lesion (nodular glomerulosclerosis).', 'role': 'assistant'}]