The first line of cellular defense against pathogens is
A) T cells.
B) B cells.
C) NK cells.
D) phagocytes.
E) plasma cells.

Question

Quizplus · Accepted Answer

Phagocytes such as macrophages, neutrophils, and dendritic cells are the first line of cellular defense against pathogens by engulfing and digesting them. T cells, B cells, NK cells, and plasma cells are involved in the adaptive immune response rather than the initial innate response.

The First Line of Cellular Defense Against Pathogens Is