<prompt> Renal failure in patients with septic shock occurs primarily from:Acute tubular mecrosisAcute coical necrosisAcute clomerulonephritisAcute papillary damage  <response>: Answer is A Acute Tubular necrosis Most common cause of renal failure in patients with septic shock is Acute tubular necrosis Most renal failure is due to acute tubular necrosis induced by hypotension or capillary injury although some patients also have glomerulonephritis, renal coical necrosis or interstitial nephritis-Harrisons 17th1699 