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

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

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

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

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

Where are blood group antigens mainly distributed in the body?

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

Why are ABH antigens in tissues important for organ transplants?

<p>They determine tissue compatibility (B)</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 (A)</p> Signup and view all the answers

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