The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following is true about intracellular iron homeostasis in iron deficiency anemia?   (A) Transferrin receptor-1 iron responsive elements increase transferrin receptor mRNA concentration and synthesis   (B) Transferrin receptor-1 iron responsive elements decrease transferrin receptor mRNA concentration and synthesis   (C) Apoferritin mRNA iron response element decreases and ferritin synthesis decreases   (D) Apoferritin mRNA iron response element decreases and ferritin synthesis increases
['(A) Transferrin receptor-1 iron responsive elements increase transferrin receptor mRNA concentration and synthesis <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Transferrin receptor-1 iron responsive elements increase transferrin receptor mRNA concentration and synthesis \n (B) Transferrin receptor-1 iron responsive elements decrease transferrin receptor mRNA concentration and synthesis \n (C) Apoferritin mRNA iron response element decreases and ferritin synthesis decreases \n (D) Apoferritin mRNA iron response element decreases and ferritin synthesis increases <> possible answers', '  Which of the following is true about intracellular iron homeostasis in iron deficiency anemia? <> context@']