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Questions and Answers
Which cells contribute to the physiologic decline of the humoral immune response?
Which cells contribute to the physiologic decline of the humoral immune response?
- Memory cells
- Antibody-secreting cells
- B cells (correct)
- T cells
What is the function of FcγRIIB receptor expressed on B cells?
What is the function of FcγRIIB receptor expressed on B cells?
- Binds to antigen part of the immune complex
- Activates B cell responses
- Delivers inhibitory signals to shut off antigen receptor–induced signals (correct)
- Promotes antibody production
What is the purpose of antibody feedback?
What is the purpose of antibody feedback?
- To promote B cell differentiation
- To activate memory cells
- To terminate humoral immune responses once sufficient quantities of IgG antibodies have been produced (correct)
- To enhance humoral immune responses
Which type of antibodies form immune complexes with residual antigen?
Which type of antibodies form immune complexes with residual antigen?
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What do the Fc receptors on B cells recognize in the immune complexes?
What do the Fc receptors on B cells recognize in the immune complexes?
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What is the function of the cytoplasmic domain of B cell FcγRIIB?
What is the function of the cytoplasmic domain of B cell FcγRIIB?
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