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
[{'content': 'In chronic glomerulonephritis the best urinary finding is \nSelect and explain. \nA. Albumin, B. Bacteria, C. Fixed Specific Gravity, D. RBC casts', 'role': 'user'}, {'content': 'Answer: C \nExplanation: In chonic glomerulonephritis the best urinary finding is low Fixed Specific Gravity.\xa0\n\xa0\nWhile in acute glomerulonephritis, most characteristic is Erythrocyte casts in urine.', 'role': 'assistant'}]