Biology of the Immune System CGIER.21 Quiz
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Questions and Answers

Which type of immunity is sometimes called humoral immunity and is a function of the B-lymphocytes?

  • Cell-mediated immunity
  • Innate immunity
  • Passive immunity
  • Antibody-mediated immunity (correct)
  • Where does the immunological competence of B-lymphocytes typically develop?

  • Thymus
  • Lymph nodes
  • Spleen
  • Red bone marrow (correct)
  • Which of the following mechanisms of antibody action involves the direct action of antibodies?

  • Via activation of the complement system
  • Passive immunity
  • Via activation of the anaphylactic system
  • Direct action (correct)
  • What are the main lymphoid tissues where B-lymphocytes tend to be found after leaving the red bone marrow?

    <p>Lymph nodes and spleen</p> Signup and view all the answers

    Which condition involves the steps of an allergic reaction, specifically in the context of Allergic Rhinitis?

    <p>Allergic Rhinitis</p> Signup and view all the answers

    Which of the following is responsible for presenting an antigen-MHC complex to a sensitized helper T-cell?

    <p>Dendritic cell</p> Signup and view all the answers

    What type of cells remain in the lymph nodes and release antibodies?

    <p>Plasma cells</p> Signup and view all the answers

    Which of the following is a characteristic of antibodies (immunoglobulins)?

    <p>They typically consist of 4 polypeptide chains - 2 heavy and 2 light chains.</p> Signup and view all the answers

    Which class of antibody is responsible for binding to macrophages, neutrophils, and having an effective role in the secondary response to bacteria and viruses?

    <p>IgG</p> Signup and view all the answers

    What is responsible for interacting with antigens and forming an antigen-antibody complex?

    <p>The variable V-region of antibodies</p> Signup and view all the answers

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