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Multiple Choice

Two kinds of microphages are which?

Microphages are the smaller phagocytic white blood cells. The two primary microphages are neutrophils and eosinophils. Neutrophils are the quick responders that engulf bacteria and help form pus as they kill and die; eosinophils participate in defense against parasites and also help modulate certain inflammatory responses, and they can perform phagocytosis of immune complexes. They’re considered microphages because they’re smaller than macrophages, which are the larger phagocytes derived from monocytes and reside mainly in tissues. The other choices involve larger phagocytes or cells that aren’t primarily phagocytic—macrophages/monocytes are bigger; dendritic cells and B cells are antigen-presenting or lymphoid cells; NK and T cells are cytotoxic lymphocytes.

Microphages are the smaller phagocytic white blood cells. The two primary microphages are neutrophils and eosinophils. Neutrophils are the quick responders that engulf bacteria and help form pus as they kill and die; eosinophils participate in defense against parasites and also help modulate certain inflammatory responses, and they can perform phagocytosis of immune complexes. They’re considered microphages because they’re smaller than macrophages, which are the larger phagocytes derived from monocytes and reside mainly in tissues. The other choices involve larger phagocytes or cells that aren’t primarily phagocytic—macrophages/monocytes are bigger; dendritic cells and B cells are antigen-presenting or lymphoid cells; NK and T cells are cytotoxic lymphocytes.