In chronic glomerulonephritis the best urinary finding is: (A) Albumin, (B) Bacteria, (C) Fixed Specific Gravity, (D) RBC casts
Answer is C. In chonic glomerulonephritis the best urinary finding is low Fixed Specific Gravity. 
 
While in acute glomerulonephritis, most characteristic is Erythrocyte casts in urine.