Immunology: Humoral and Cell-Mediated Response
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Questions and Answers

What is the primary function of IgG in the human immune system?

  • Production of cytokines
  • Presentation of antigens to B cells
  • Detoxification of harmful substances (correct)
  • Activation of T-cells
  • What is the characteristic of antibodies produced by each B cell?

  • They are classified into three isotypes
  • They are produced in the thymus
  • They recognize multiple antigens
  • They recognize only one kind of antigen (correct)
  • Where do B cells develop and mature?

  • Bone marrow (correct)
  • Thymus
  • Lymph nodes
  • Spleen
  • What is the percentage of human immunoglobulins accounted for by IgG?

    <p>70-75%</p> Signup and view all the answers

    What is the role of IgG in fetal development?

    <p>It is transferred to the fetus through the placenta</p> Signup and view all the answers

    What is the name of the response involving the production and secretion of antibodies or immunoglobulins?

    <p>Humoral Response</p> Signup and view all the answers

    What is the primary function of IgE in regions where parasitic infections are rare?

    <p>Involvement in allergy</p> Signup and view all the answers

    What is the main advantage of IgM's pentameric structure in terms of antigen binding?

    <p>Higher avidity for antigens</p> Signup and view all the answers

    What is the function of IgA in breast milk?

    <p>Protection of the gastrointestinal tract from pathogens</p> Signup and view all the answers

    What is the percentage of human immunoglobulins accounted for by IgM?

    <p>10%</p> Signup and view all the answers

    What is the primary mechanism of defense involved in cell-mediated response?

    <p>Activation of cytotoxic cells</p> Signup and view all the answers

    What is the primary function of IgD, although its exact function remains unknown?

    <p>Induction of antibody production in B cells</p> Signup and view all the answers

    What type of immune response is involved when cytotoxic cells defend the body against infection?

    <p>Cell-mediated response</p> Signup and view all the answers

    What is the primary function of antibodies produced in the humoral response?

    <p>To neutralize or remove pathogens from the body</p> Signup and view all the answers

    What is the term for the community of microorganisms that live on the human skin?

    <p>Skin microbiota</p> Signup and view all the answers

    What is the term for the production and secretion of antibodies against specific antigens?

    <p>Humoral response</p> Signup and view all the answers

    What type of cells are involved in the humoral response to combat antigens?

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

    What is the term for the cells that remember specific antigens and provide long-term immunity?

    <p>Memory B cells</p> Signup and view all the answers

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