This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'For oral iron supplements used for iron deficiency anemia \nSelect and explain. \nA. Tolerable dose will deliver 40 to 60 mg of iron per day, B. Mass of total salt is impoant in determining Daily Dose, C. Treatment should be stopped as soon as normal hemoglobin levels is reached, D. Desired rate of hemoglobin improvement is 0.5 mg per day', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Refer Katzung 10/e p 530 Tolerable doses of elemental iron is 200mg per day Mass of elemental iron is more impoant in determining Daily Dose Treatment with oral iron should be continued even after reaching the desired hemoglobin level', 'role': 'assistant'}]