This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Glomerulonephritis, Subject name: Pathology
[{'content': 'RBC cast seen in: \nSelect and explain. \nA. Minimal change disease, B. Renal vein thrombosis, C. Bladder schistomiasis, D. Rapidly progressive glomerulonephritis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: RBC casts Feature of glomerular damage. Normally < 3 RBC/HPF are going to leak. In glomerular damage the number of RBC in the urine will exceed the limit mentioned above and these RBC get impinged on Tamm Horsfall protein. The resultant RBC casts can be seen under microscopic examination of urine. Dysmorphic RBCs Hyaline casts RBC casts WBC casts Renal tubular cell cast Broad waxy cast', 'role': 'assistant'}]