Immunodeficiency Diseases and Agglutination Quiz
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Questions and Answers

Who proposed the cellular theory of immunity through phagocytosis?

  • Emil von Behring
  • Louis Pasteur
  • Elie Metchnikoff (correct)
  • Edward Jenner
  • Which scientist is associated with the discovery of the first report of a live 'attenuated' vaccine for rabies?

  • Emil von Behring
  • Jules Bordet
  • Robert Koch
  • Louis Pasteur (correct)
  • Who demonstrated cutaneous (delayed-type) hypersensitivity?

  • Charles Richet (correct)
  • Paul Ehrlich
  • Maurice Arthus
  • John Richardson Marrack
  • What type of immunity results from natural exposure to an infectious agent or administration of a vaccine?

    <p>Active immunity</p> Signup and view all the answers

    Which phase reactants increase rapidly as a result of infection, injury, or trauma to the tissues?

    <p>Acute-phase reactants</p> Signup and view all the answers

    What type of rejection occurs days to weeks after transplantation as a result of cellular mechanisms and antibody formation?

    <p>Acute rejection</p> Signup and view all the answers

    What is the substance that is administered with an immunogen to enhance and potentiate the immune response called?

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

    Which process involves particulate antigens aggregating to form large complexes in the presence of a specific antibody?

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

    What is the result of lack of agglutination in an agglutination inhibition test?

    <p>Positive test result</p> Signup and view all the answers

    Which antibody is responsible for causing clumping or agglutination of cells?

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

    What is the means of activating complement proteins without an antigen-antibody combination called?

    <p>Alternative pathway</p> Signup and view all the answers

    What is the definition of immunogen?

    <p>A substance that is capable of inducing an immune response</p> Signup and view all the answers

    Which term describes the condition of being resistant to infection?

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

    What are immunoglobulins (Ig) and their role in the body?

    <p>Glycoproteins in the blood that are part of humoral immunity</p> Signup and view all the answers

    What are Interferons (IFN) and their function in the immune system?

    <p>Cytokines produced to inhibit viral synthesis or act as immune regulators</p> Signup and view all the answers

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