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: Medicine
Polyuria with low fixed specific gravity urine is seen in ? 
Select and explain. 
A. Diabetes mellitus, B. Diabetes insipidus, C. Chronic glomerulonephritis, D. Potomania
C: Chronic glomerulonephritis
Answer: C: Chronic glomerulonephritis 
Explanation: Answer- C. Chronic glomerulonephritisPolyuria with fixed low specific gravity is a feature of chronic glomerulonephritis.