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: Microbiology
Innate immunity involves ? 
Select and explain. 
A. T-cells, B. B-cells, C. Macrophages, D. Antibodies
C: Macrophages
Answer: C: Macrophages 
Explanation: Ans. is 'c' i.e., Macrophages Macrophages and neutrophils are phagocytic cells that engulf a microbial pathogen after it has been identified by the innate immune system