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Questions and Answers
What is the primary function of antibodies produced during the humoral immune response?
What is the primary function of antibodies produced during the humoral immune response?
- To activate complement proteins
- To bind to and neutralize extracellular pathogens (correct)
- To directly kill pathogens
- To stimulate the proliferation of T helper cells
Which type of antigen requires the direct involvement of T helper cells for effective antibody production by B cells?
Which type of antigen requires the direct involvement of T helper cells for effective antibody production by B cells?
- Thymus-independent antigens
- Thymus-dependent antigens (correct)
- Non-protein antigens
- Self-antigens
What is the primary role of cytokines secreted by T helper cells during the humoral immune response?
What is the primary role of cytokines secreted by T helper cells during the humoral immune response?
- To stimulate the proliferation and differentiation of B cells (correct)
- To activate complement proteins
- To inhibit the production of antibodies
- To directly kill pathogens
Which immunoglobulin class is typically associated with the initial antibody response to a foreign antigen?
Which immunoglobulin class is typically associated with the initial antibody response to a foreign antigen?
What is the primary mechanism by which B cells differentiate into antibody-producing plasma cells during the humoral immune response?
What is the primary mechanism by which B cells differentiate into antibody-producing plasma cells during the humoral immune response?
Which of the following is a key characteristic of the long-term memory response in the humoral immune system?
Which of the following is a key characteristic of the long-term memory response in the humoral immune system?
What is the main role of the B7 molecules in the activation of TH cells?
What is the main role of the B7 molecules in the activation of TH cells?
What is the primary function of the CD40L molecule expressed on activated TH cells?
What is the primary function of the CD40L molecule expressed on activated TH cells?
Which of the following cytokines secreted by TH cells is MOST important for inducing immunoglobulin class switching in B cells?
Which of the following cytokines secreted by TH cells is MOST important for inducing immunoglobulin class switching in B cells?
What is the primary function of B cell memory cells generated during the primary immune response?
What is the primary function of B cell memory cells generated during the primary immune response?
What is the key difference between T cell-dependent (TD) and T cell-independent (TI) antigens in terms of B cell activation?
What is the key difference between T cell-dependent (TD) and T cell-independent (TI) antigens in terms of B cell activation?
Which of the following is the MOST important step in the process of B cell activation and antibody production?
Which of the following is the MOST important step in the process of B cell activation and antibody production?
What is the main function of B cell activation in the acquired immune response?
What is the main function of B cell activation in the acquired immune response?
Which type of immune response involves antibody production by B lymphocytes?
Which type of immune response involves antibody production by B lymphocytes?
How do T helper (TH) cells contribute to the immune response?
How do T helper (TH) cells contribute to the immune response?
What process involves B cells switching the class of immunoglobulins they produce?
What process involves B cells switching the class of immunoglobulins they produce?
Which action is NOT typically associated with cytokine secretion in the immune system?
Which action is NOT typically associated with cytokine secretion in the immune system?
During B cell activation, what is the primary role of antibodies produced by plasma cells?
During B cell activation, what is the primary role of antibodies produced by plasma cells?
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