36. Your patient is a 43 year old male that presents with a microcytic hypochromic anemia. Your working diagnosis is iron deficiency anemia. Which of the following is true regarding to the response to treatment with oral iron supplements?
A. A positive response to treatment should see a RBC increase after 5-7 days and should increase at a rate of 2-4 gram/dL every 3-4 weeks until a normal hemoglobin is achieved
B. Patients with a lower hemoglobin under 6 should be started on IV treatments of iron
C. Patients sprue, atrophic gastritis, gastrectomy, or gastric bypass will likely have a favorable response to oral iron therapy
D. Patients with cancer, chronic kidney disease, and inflammatory bowel disease usually respond well to oral iron therapy
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