This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'The earliest indicator of response after staing iron in a 6-year-old girl with iron deficiency is - \nSelect and explain. \nA. Increased reticulocyte count, B. Increased hemoglobin, C. Increased ferritin, D. Increased serum iron', 'role': 'user'}, {'content': "Answer: A \nExplanation: . Ans. is 'a' i.e., Increased Reticulocyte count Reticulocyte count is the first to rise. This is followed by elevation of haemoglobin levels. Body iron stores are restored after correction of haemoglobin levels.`Rise in Reticulocyte count occurs by the second or third day. This is followed by elevation of haemoglobin levels. Body iron stores are repleted after correction of haemoglobin levels. - Ghai", 'role': 'assistant'}]