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Questions and Answers
Which molecule is used by activated helper T lymphocytes to activate antigen-specific B cells?
Which molecule is used by activated helper T lymphocytes to activate antigen-specific B cells?
- Cytokines
- CD40
- Antibodies
- CD40L (correct)
What is the role of CD40 in the process of helper T cell-mediated B lymphocyte activation?
What is the role of CD40 in the process of helper T cell-mediated B lymphocyte activation?
- Binds to cytokine receptors on B cells
- Induces heavy-chain isotype switching
- Binds to CD40L on T cells
- Stimulates proliferation and antibody synthesis in B cells (correct)
What does the CD40L-CD40 interaction stimulate in B cells?
What does the CD40L-CD40 interaction stimulate in B cells?
- Proliferation and Ig production (correct)
- Cytokine secretion
- Macrophage activation
- Antigen presentation
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