Features of innate immunity A/E-: (A) Recognizes foreign antigen in blood, (B) C reactive protein, (C) Complement protein is a pa of innate immune system, (D) Includes phagocytes and natural killer cells
Answer is D. Robbins basic pathology 9th edition page no 105 Heading=the early innate immune response to microbes Innate immunity includes phagocytes like macrophages and neutrophils. Natural killer cells kill viruse infected cells and produce macrophage activating cytokine IFN-gamma.