Question

question 55
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which is a \professional\ antigen presenting cell that does phagocytosis and stimulates another cell type to release cytokines?
b cell
macrophage
t cell
dendritic cell

Explanation:

• B cell: B cells are mainly involved in antibody production rather than the described functions.
• Macrophage: Macrophages are professional antigen - presenting cells. They can phagocytose pathogens. After phagocytosis, they present antigens to T cells. This presentation stimulates T cells to release cytokines.
• T cell: T cells are not antigen - presenting cells in the context of phagocytosis and cytokine - inducing antigen presentation as described. They are the cells that receive antigen presentation.
• Dendritic cell: While dendritic cells are professional antigen - presenting cells, they are more specialized in initiating primary immune responses rather than the phagocytosis - and - cytokine - inducing - T - cell - stimulation combination described here.

Answer:

Macrophage