This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Megaloblastic Anemia, Subject name: Pathology
[{'content': '"Macropolycytes" in peripheral smear is a feature of which of the following red cell disorders? \nSelect and explain. \nA. Hereditary spherocytosis, B. Iron deficiency anemia, C. Sickle cell anemia, D. Megaloblastic anemia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Macropolycytes (large, hypersegmented polymorphonuclear cells/neutrophils) are a feature of megaloblastic anemia.', 'role': 'assistant'}]