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
[{'content': 'Innate immunity involves ? \nSelect and explain. \nA. T-cells, B. B-cells, C. Macrophages, D. Antibodies', 'role': 'user'}, {'content': "Answer: C \nExplanation: 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", 'role': 'assistant'}]