<prompt> Which of the following is not true about intrinsic renal failure in case of ischemic ATN?Specific gravity 1.015FENa 1Urine sodium 20 mmolLUrine creatinine to plasma creatinine ratio 20  <response>: Ans. c. Urine sodium 20 mmolL. Ref H-18thTable 44-2 Index Prerenal Azotemia lschemic ATNOliguric Acute Renal FailureBUNPCr Ratio20:110-15:1Urine sodium UNa, mEqL2040Urine osmolality, mOsmL H2o500350Fractional excretion of sodium12FENaUN, x PCr x 100---PNa,x UCr Urineplasma creatinine UCrPCr4020 