Question

9 multiple choice 5 points which of the following cells are most likely to engage in antigen presentation? macrophage nk cells t - helper cells cytotoxic t - cells

Explanation:

Macrophages are antigen - presenting cells (APCs). They engulf pathogens, process the antigens, and present them on their surface. NK cells are part of the innate immune system and mainly kill virus - infected and tumor cells. T - helper cells help in the activation of other immune cells but do not present antigens in the same way as APCs. Cytotoxic T - cells kill infected or abnormal cells.

Answer:

Macrophage