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: Pathology
[{'content': 'Macrophages are seen in - \nSelect and explain. \nA. Late inflammation, B. Early inflammation, C. Wound repair, D. Healing', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Neutrophils predominate in the early phase of inflammation\xa0(the phase occurring within 24 hrs) whereas\xa0macrophages enter the area in the late phase of inflammation\xa0ie. after 24-48 hrs. Neutrophils remain predominant\xa0cells for up to 72 hrs, after which the macrophages take over as a predominant cell.\nLymphocytes and plasma cells are also seen along with macrophages in the acute inflammatory response.', 'role': 'assistant'}]