This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Medicine
[{'content': 'A young man develops gross hematuria 3 days after an attack of UI; likely renal pathology - \nSelect and explain. \nA. Acute glomerulonephritis, B. Minimal change disease, C. IgA nephropathy, D. Membranous glomeruloonephritis', 'role': 'user'}, {'content': "Answer: C \nExplanation: IgA nephropathy (nuh-FROP-uh-thee), also known as Berger's disease, is a kidney disease that occurs when an antibody called immunoglobulin A (IgA) builds up in your kidneys. This results in local inflammation that, over time, can hamper your kidneys' ability to filter waste from your blood. Ref Harrison20th edition pg 298", 'role': 'assistant'}]