Adaptive Immunity and Cellular Immunity

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What is the primary purpose of the differentiation of T cells into effector cells?

To enhance the activation of dendritic cells

To induce the proliferation of antigen-specific cells

To increase the production of interleukins

To enable the killing of infected cells and microbes (correct)

What is the primary function of IL-2 in the context of T cell activation?

To induce the differentiation of T cells into memory cells

To enhance the presentation of antigens by dendritic cells

To promote the clonal expansion of antigen-specific T cells (correct)

To stimulate the activation of macrophages

What is the primary role of CD8+ T cells in an immune response?

To present antigens to T cells

To activate macrophages and induce inflammation

To directly kill infected cells (correct)

To secrete cytokines that activate other immune cells

What is the primary function of dendritic cells in the context of T cell activation?

To present antigens to T cells and initiate an immune response Signup and view all the answers

What is the primary function of memory T cells?

To retain immunological memory for future infections Signup and view all the answers

What is the primary function of T cells in cellular immunity?

To help B cells produce antibodies and interact with other immune cells Signup and view all the answers

What is the role of antigen processing and presentation in cellular immunity?

To present antigens to naïve T cells for recognition Signup and view all the answers

What is the primary difference between humoral immunity and cellular immunity?

Humoral immunity involves B cells and antibodies, while cellular immunity involves T cells and cytokines Signup and view all the answers

What is the role of regulatory T cells in cellular immunity?

To regulate the immune response and prevent autoimmune diseases Signup and view all the answers

What is the result of antigen recognition and binding by T cells?

Activation and signaling of T cells Signup and view all the answers

What is the primary function of adhesion molecules in the binding of T cells to APCs?

To strengthen the binding of T cells to APCs through integrin and selectins Signup and view all the answers

What is the outcome of clonal expansion and differentiation of T cells?

Formation of T memory cells Signup and view all the answers

What is the consequence of T cells not receiving co-stimulatory signals from APCs?

T cells remain in an anergic state Signup and view all the answers

What is the primary function of the TCR complex?

To recognize and bind epitopes associated with MHC proteins Signup and view all the answers

What is the role of CD28 in T cell activation?

To provide co-stimulatory signals to T cells Signup and view all the answers

What is the consequence of calcineurin activation in T cells?

Activation of gene for IL-2 and its receptor Signup and view all the answers

What is the primary role of CD4 and CD8 in T cell activation?

To participate in signaling as co-receptors Signup and view all the answers

What is the primary function of TH1 cells in the immune response?

Produce IFN-gamma to activate cells related to cell-mediated immunity, macrophages, and Abs Signup and view all the answers

What is the mechanism by which cytotoxic T cells induce apoptosis in infected cells?

All of the above Signup and view all the answers

What is the function of Treg cells in the immune response?

Suppress T cells and shut down the immune response Signup and view all the answers

What is the primary function of memory T cells?

Recognize the same antigen and activate the immune response faster Signup and view all the answers

What is the fate of proliferated immune cells after the infection is cleared?

They are deprived of survival factors and die by programmed cell death (apoptosis) Signup and view all the answers

What is the role of Class I MHC molecules in the immune response?

Present antigens to CD8+ T cells Signup and view all the answers

Adaptive Immunity and Cellular Immunity

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Questions and Answers

What is the primary purpose of the differentiation of T cells into effector cells?

What is the primary function of IL-2 in the context of T cell activation?

What is the primary role of CD8+ T cells in an immune response?

What is the primary function of dendritic cells in the context of T cell activation?

What is the primary function of memory T cells?

What is the primary function of T cells in cellular immunity?

What is the role of antigen processing and presentation in cellular immunity?

What is the primary difference between humoral immunity and cellular immunity?

What is the role of regulatory T cells in cellular immunity?

What is the result of antigen recognition and binding by T cells?

What is the primary function of adhesion molecules in the binding of T cells to APCs?

What is the outcome of clonal expansion and differentiation of T cells?

What is the consequence of T cells not receiving co-stimulatory signals from APCs?

What is the primary function of the TCR complex?

What is the role of CD28 in T cell activation?

What is the consequence of calcineurin activation in T cells?

What is the primary role of CD4 and CD8 in T cell activation?

What is the primary function of TH1 cells in the immune response?

What is the mechanism by which cytotoxic T cells induce apoptosis in infected cells?

What is the function of Treg cells in the immune response?

What is the primary function of memory T cells?

What is the fate of proliferated immune cells after the infection is cleared?

What is the role of Class I MHC molecules in the immune response?

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