This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
After 72 hours of Myocardial infarction, the predominant cells are 
Select and explain. 
A. Mast cells, B. Macrophages, C. Lymphocytes, D. Leukocytes
B: Macrophages
Answer: B: Macrophages 
Explanation: .