Iron stores are best indicated by:: (A) S. ferritin, (B) S. Iron, (C) S. Transferrin, (D) TIBC
Answer is A. a. S. ferritin(Ref: Nelson's 20/e p 2323-2325, Ghai 8/e p 334-335)Serum ferritin reflects the storage of Iron which is decreased even in the pre-latent stage of Iron deficiency Anemia and is the most sensitive marker.