The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Erythropoietin acts on:   (A) CFU   (B) Late erythtoblast   (C) Normoblast   (D) Burst forming unit (BFU)
['(D) Burst forming unit (BFU) <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) CFU \n (B) Late erythtoblast \n (C) Normoblast \n (D) Burst forming unit (BFU) <> possible answers', '  Erythropoietin acts on: <> context@']