VMC-0040
QUESTION
Which one of the following cells is an antigen-presenting cell?
OPTIONS
(A) T-Lymphocyte
(B) Plasma cell
(C) Natural killer cell
(D) Dendritic cell
ANSWER
(D) Dendritic cell
EXPLANATION
Dendritic cells are professional antigen-presenting cells that efficiently capture antigen and present processed peptides to T lymphocytes, especially for initiating primary immune responses. Therefore option D is correct; T cells, plasma cells, and NK cells are lymphoid effector populations rather than the principal professional APC described here.
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