<prompt> Causes of iron deficiency anemia are all except -CRFYoung femaleCeliac sprueHook worm  <response>: In chronic renal failure ,there will be decreased survival of circulating red cells which is attributed to mononuclear phagocyte system.The blood picture shows normocytic normochromic anemia.Reference :Harsh mohan textbook of pathology sixth edition pg no 302. 