What does Serum ferritin level: (A) Decreased capacity to absorb iron, (B) Microcytic hypochromic anemia, (C) Absent body iron stores, (D) Sideroblastic anemia
Answer is C. The serum ferritin level is the laboratory test to estimate iron stores. As iron stores are depleted, the serum ferritin falls to Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 847