Which of the Following Events Causes a Naïve T Lymphocyte

question 5

Multiple Choice

Which of the following events causes a naïve T lymphocyte to become activated and differentiate into an effector T cell?

• A) The T cell receptor recognizes its epitope on a peptide presented on MHC-I.
• B) The T cell receptor recognizes its epitope on a peptide presented on MHC-II
• C) A T helper cell releases IL-12 and causes it to differentiate.
• D) A macrophage releases IL-4 and causes it to differentiate.
• E) The T cell interacts with a B cell that recognizes the same epitope.

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