An Important Way in Which Effector T Cells Differ from Naive

question 52

Multiple Choice

An important way in which effector T cells differ from naive T cells is that _____.

• A)the cell-surface level of LFA-1 is lower on effector T cells
• B)L-selectin is upregulated during differentiation of effector T cells
• C)cellular proliferation occurs after effector T cells leave the secondary lymphoid tissues
• D)the provision of co-stimulatory signals is not required to induce a response by effector T cells
• E)effector T cells do not recirculate between lymph,blood,and secondary lymphoid tissues.

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