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
Macrophages are seen in - 
Select and explain. 
A. Late inflammation, B. Early inflammation, C. Wound repair, D. Healing
A: Late inflammation
Answer: A: Late inflammation 
Explanation: Neutrophils predominate in the early phase of inflammation (the phase occurring within 24 hrs) whereas macrophages enter the area in the late phase of inflammation ie. after 24-48 hrs. Neutrophils remain predominant cells for up to 72 hrs, after which the macrophages take over as a predominant cell.
Lymphocytes and plasma cells are also seen along with macrophages in the acute inflammatory response.