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
[{'content': 'True about iron deficiency anemia in children \nSelect and explain. \nA. Iron absorption from terminal ileum, B. Cow milk contain less iron than breast milk, C. Serum ferritin depletes first, D. Decreased aleness', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Iron absorption takes place in proximal small intestine,cow milk contain more iron than breast milk. In IDA serum ferritin depleted first. Reference: Ghai essential of pediatrics, eighth edition, p.no:334', 'role': 'assistant'}]