Medicine True about acute tubular necrosis – A Urine specific gravity > 1.020 B Urine osmolality > 300 mosmoles/kg C Urine Na< 1Omeq/L D Blood urea nitrogen :plasma creatinine ratio < 20 💡 Explanation True about acute tubular necrosis - ✓ Correct Answer: D. Blood urea nitrogen :plasma creatinine ratio < 20