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% (D)</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 (B)</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 (C)</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 (D)</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 (A)</p> Signup and view all the answers

What is the function of IgA in breast milk?

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

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

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

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

<p>Activation of cytotoxic cells (C)</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 (D)</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 (C)</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 (C)</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 (B)</p> Signup and view all the answers

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

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

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

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