This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Anatomy
[{'content': 'Anemia in chronic renal failure is due to \nSelect and explain. \nA. Decreased erythropoietin production, B. Iron deficiency, C. Hypoplastic bone marrow, D. Decreased folate levels', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref Harrison 19 th ed pg 630 The anemia is primarily due to a failure of EPO production by the diseased kidney and a reduction in red cell survival. In ceain forms of acute renal failure, the correlation between the anemia and renal function is weaker. Patients with the hemolytic-uremic syndrome increase eryth- ropoiesis in response to the hemolysis, despite renal failure requiring dialysis.', 'role': 'assistant'}]