Memory T Cells, Effector T Cells, and Naïve T Cells

question 32

Multiple Choice

Memory T cells, effector T cells, and naïve T cells share several characteristics.Which of the following descriptions could ONLY be said of memory T cells?

• A)Memory T cells are activated by any APC.
• B)Memory T cells are only found in one location and do not circulate.
• C)Memory T cells express CD44, CD62L, and CCR7.
• D)Memory T cells recognize MHC class I or class II peptides displaying antigen molecules.
• E)Memory T cells depend upon costimulatory signals from CD2/ LFA-3, CD45R/ CD22, and LFA-1/ ICAM-2.

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