Immunohematology-Blood Banking: Basic Principles of Immunology and AG-AB Reactions
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Questions and Answers

Which type of antibodies is typically produced in response to red cell antigen stimulation?

  • Naturally occurring antibodies
  • Immune antibodies (correct)
  • Isoagglutinins
  • Autoantibodies
  • What is the characteristic of antibodies associated with hemolytic transfusion reactions, hemolytic disease of the newborn, and autoimmune hemolytic anemia?

  • Irregular antibodies
  • Clinically significant antibodies (correct)
  • Autoantibodies
  • Naturally occurring antibodies
  • Which blood group antigen is directly related to glycophorin?

  • ABO
  • Rh
  • MNS (correct)
  • Hh
  • What is the molecular size requirement for antigens present on red blood cells?

    <p>Sufficient molecular size</p> Signup and view all the answers

    Which type of antibody is usually produced in response to environmental antigens like bacteria and pollen?

    <p>Naturally occurring antibodies</p> Signup and view all the answers

    What is the characteristic feature of irregular antibodies in a patient's serum?

    <p>Present in a very small human population only</p> Signup and view all the answers

    What is the main difference between an antigen and an immunogen?

    <p>Immunogens trigger an immune response.</p> Signup and view all the answers

    Which term describes an incomplete antigen that can react with specific antibodies but is not immunogenic?

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

    What is the role of an epitope in an antigen molecule?

    <p>Confers specificity to the antigen</p> Signup and view all the answers

    Where are blood group antigens mainly distributed in the body?

    <p>Throughout tissues, white cells, and platelets</p> Signup and view all the answers

    Why are ABH antigens in tissues important for organ transplants?

    <p>They determine tissue compatibility</p> Signup and view all the answers

    What can happen to a hapten to make it immunogenic?

    <p>It can bind with a schlepper molecule</p> Signup and view all the answers

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