Medicine Which of the following is NOT a feature of pre renal azotemia? A BUN/PCr ratio >20:1 B Urine sodium (UNa), meq/L <20 C Urine osmolality, mosmol/L H2O >500 D Urine/plasma creatinine (UCr/PCr) <20 💡 Explanation Which of the following is NOT a feature of pre renal azotemia? ✓ Correct Answer: D. Urine/plasma creatinine (UCr/PCr) <20