This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary tract, Subject name: Pathology
[{'content': 'RBC casts seen in \nSelect and explain. \nA. Minimal change disease, B. Renal vein thrombosis, C. Bladder schistosomiasis, D. Rapidly progressive glomerulonephritis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: RBC casts are a feature of glomerular damage .Normally <3 RBC/HPF are going to leak. But in the case of glomerular damage the number of RBC in the urine will exceed the limit mentioned above and these RBC get impinged on Tamm horsefall protein. The resultant RBC casts can be seen under microscopic examination of urine. Refer robbins 9/e p912', 'role': 'assistant'}]