Rh Blood Group System Quiz
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Questions and Answers

Which type of antibodies are present in normal blood?

  • IgD
  • IgM (correct)
  • IgE
  • IgA
  • What is the number of antigens known to be present on the surface of RBCs?

  • About 200
  • About 400
  • About 300 (correct)
  • About 100
  • Which type of antibodies are naturally occurring?

  • Antibodies produced as a result of injection of substances closely related to an antigen
  • Antibodies produced as a result of pregnancy
  • Antibodies without any obvious antigenic stimulus (correct)
  • Antibodies produced as a result of blood transfusion
  • In the Rh blood group system, what antigens are present on the surface of RBCs?

    <p>D antigen</p> Signup and view all the answers

    What type of antibodies are predominantly found in the ABO system?

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

    Which scenario can lead to the production of immune or acquired antibodies?

    <p>Injection of unrelated substances into the body</p> Signup and view all the answers

    Which blood type is considered a 'universal donor' in the ABO system?

    <p>Blood type O</p> Signup and view all the answers

    What is the significance of very few blood group antigens being practically significant for blood transfusion?

    <p>It minimizes the risk of rejection reactions</p> Signup and view all the answers

    What antibodies are absent in the plasma of individuals with blood type AB?

    <p>Neither anti-A nor anti-B antibodies</p> Signup and view all the answers

    Which antigens determine the Rh blood group system?

    <p>C and D antigens</p> Signup and view all the answers

    Which individuals were historically thought to be 'universal recipients'?

    <p>Blood type AB individuals</p> Signup and view all the answers

    What is the important general rule of transfusion that should always be observed?

    <p>Transfuse all patients with the blood of the same ABO group</p> Signup and view all the answers

    What is the Rh antigen that is considerably more antigenic than other Rh antigens?

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

    If a person has the C antigen, what can be inferred about the c antigen?

    <p>It will not be present</p> Signup and view all the answers

    What percentage of white people are Rh negative?

    <p>15%</p> Signup and view all the answers

    Which of the following can lead to the development of Rh antibodies?

    <p>Transfusion of Rh positive blood into a Rh negative person</p> Signup and view all the answers

    What is the type-D antigen used to determine in individuals?

    <p>Rh blood group</p> Signup and view all the answers

    In which condition may Erythroblastosis fetalis occur?

    <p>In newborn infants with Rh-positive mothers</p> Signup and view all the answers

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