<prompt> Most unlikely cause of acute tubular necrosis amongst the following is :Severe-bacterial-infectionMassive burnSevere crush injury in the footRupture of aoic aneurysm  <response>: Answer is D Rupture of Aoic Aneurysm: Rupture of Aoic Aneurysm is the most unlikely cause of ATN amongst the following. It would rather result in instant death. Causes of Acute Tubular Necrosis Ischemic HvpovolemiuQ Low cardiac outputQ Renal vascular occlusionQ Renal vasoconstriction, DIC, Thrombotic microangiopathy HUS, TTP, Malignant Hypeension, Vasculitis Toxins Endogenous Toxins Rhabdomvolv.sis or Crush Syndrome myoglobinsQ Hemolysis hemoglobinsQ Uric acid, OxalateQ Plasma cell dyscrasias Paraproteinemias e.g. myelomaQ Massive burnsQ Exogenous Toxins Rudiocontrast agents Q CyclasporineQ Antibiotics e.g. Aminoglycosides, Amphoterein BQ Chemotherapy eg. CisplatinQ Organic Solvents e.g. Ethylene GlvcolQ ParacetamolQ Illegal Aboifacients 