The primary cause of anemia in a client with chronic renal failure is:
A. Poor iron absorption
B. Destruction of red blood cells
C. Insufficient erythropoietin
D. Lack of intrinsic factor
Correct Answer: C. Insufficient erythropoietin
Option C: Kidneys produce erythropoietin, a hormone that is responsible for making red blood cells. When a patient has a chronic renal failure, their kidneys are damaged and cannot make enough RBC resulting in anemia.
Option A: Poor iron absorption will result in iron deficiency anemia.
Option B: Destruction of red blood cells usually results in hemolytic anemia.
Option D: Lack of intrinsic factor will result in pernicious anemia and vitamin B12 deficiency.