25) Male, 45 years old, has been treated with maintenance hemodialysis for 3 months due to chronic renal failure. The symptoms of uremia have been significantly relieved, but the hemoglobin is 70g/L....

25) Male, 45 years old, has been treated with maintenance hemodialysis for 3 months due to chronic renal failure. The symptoms of uremia have been significantly relieved, but the hemoglobin is 70g/L. The main cause of anemia in this case was() A Folic acid and VitB12 deficiency B Decreased erythropoietin C Dialysis blood loss and iron deficiency D uremic toxin inhibits bone marrow EShortened red blood cell lifespan