This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pediatrics
True about iron deficiency anemia 
Select and explain. 
A. Microcytic hypochromic anemia, B. Decreased TIBC, C. Increased ferritin, D. Bone marrow iron decreased earlier than serum iron
A: Microcytic hypochromic anemia
Answer: A: Microcytic hypochromic anemia 
Explanation: Iron deficiency anemia is a microcytic hypochromic anemia. At first, children with iron-deficiency anemia may not have any symptoms. When symptoms do happen, a child might: look pale seem moody be very tired get tired quickly from exercise feel dizzy or lightheaded have a fast heabeat have developmental delays and behavioral problems want to eat ice or non-food items (called <a href=" </ul> Reference : Ghai essential of pediatrics, eighth edition, p.no:334