18 Questions
What is the initial step in the Antibody-Mediated Immune Response?
Activation of B cells by specific antigen
Which type of cells undergo clonal selection into plasma cells and memory B cells?
B cells
What is the main function of plasma cells in the immune response?
Production of antibodies specific to antigens
Which class of antibodies is involved in Type I hypersensitivity reactions such as allergies?
IgE
What is the role of costimulation by Helper T cell cytokine in the Antibody-Mediated Immune Response?
Producing a more intense response in B cells
Which type of cells can respond to unprocessed antigens in the immune response?
B cells
What is the main function of antibodies in immobilizing bacteria?
Connect bacteria to each other, facilitating phagocytosis
How do antibodies enhance phagocytosis?
Attract phagocytes to antigen-antibody complex
In the secondary immune response, what triggers a greater antibody level in the blood?
Activation of memory cells from subsequent exposure to the same antigen
What is the primary function of antibodies in activating the complement system plasma proteins?
Neutralize the antigen
What initiates the immune response in the primary response to an antigen?
Immune response triggered by first exposure to specific antigen
How does the basis for immunization by vaccination work?
Triggering memory cell clonal selection to antigen without causing illness
What is the main function of plasma cells in the immune system?
Produce and secrete specific antibodies
Which type of immunity is mainly effective against extracellular pathogens like viruses, bacteria, and fungi?
Antibody-mediated immunity
What happens when activated B cells transform into plasma cells?
They synthesize and secrete specific antibodies
In the immune response, what is the role of memory B cells?
Provide long-term immunity upon re-exposure to antigens
Which cells from the clone of lymphocytes differentiate to carry out the immune response by destroying or inactivating antigen-bearing substances?
Effector cells
What kind of immune response do activated B cells transform into plasma cells generate?
Antibody-mediated immunity
Learn about the antibody-mediated immune response starting with the activation of B cells by specific antigens. Discover the process of clonal selection into plasma cells and memory B cells.
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