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What Event Initiates an Adaptive Immune Response

Question 39

Multiple Choice

What event initiates an adaptive immune response?


A) The interaction of a B cell with a TH cell
B) The expression of cytokines CD4 or CD8
C) The production of MHC class I or II molecules
D) The interaction of a naïve T cell with an antigen-presenting cell
E) The phagocytosis of a pathogen by a macrophage

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