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: Pathology
[{'content': 'Cast is produced due to damage to- \nSelect and explain. \nA. Nephron, B. Tubule, C. PCT, D. DCT', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., DCTUrinary casts o Urinary casts are cylindrical aggregations of paiculate matter that form in the distal convoluted tubule or the collecting duct.o They form precipitation of Tam-Horsfall mucoprotein which is secreted by renal tubule cells and sometimes also by albumin in conditions of proteinuria.", 'role': 'assistant'}]