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': 'Broad casts in urinary sediments are specific for- \nSelect and explain. \nA. Acute renal failure, B. Rapidly progressive renal failure, C. Chronical renal failure, D. Asymptomatic urinary abnormality', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Chronic glomerulonephritis: End-stage of any GN Granular contracted kidney Hyalinized glomeruli Progresses to renal failure. Urine shows broad waxy casts. Ref: RAM DAS NAYAK EXAM PREPARATORY MANUAL FOR UNDERGRADUATES 2nd ed. pg no: 613', 'role': 'assistant'}]