Quiz  /  NEET MCQ on Blood Groups

  • 1. 
    In the ABO system, blood group ‘O’ is characterized by the:

  • presence of antigen O
  • presence of both antigen A and antigen B
  • absence of both antigen A and antigen B
  • presence of antigen A and absence of antigen B

  • 2. 
    Antiserum is

  • blood serum containing specific antibodies
  • blood serum containing specific antigens
  • blood serum containing a mixture of antigens and antibodies
  • blood serum in which antigens and antibodies are both absent

  • 3. 
    A false positive result is best described as one that is given

  • by a substance other than that being tested for
  • when the substance being tested for is present in large amounts
  • when substance being tested for is present in minute quantities
  • when substance being tested for is absent

  • 4. 
    Which antibodies are found in the plasma of a person with type A blood?

  • anti-A, but not anti B
  • neither anti-A nor anti B
  • both anti-A and anti B
  • anti-B, but not anti-A

  • 5. 
    Under this circumstance, an antigen-antibody reaction will occur A person with

  • Type A blood is given type O blood
  • Type AB blood is given type O blood
  • Type O blood is given type A blood
  • Type AB blood is given type B blood

  • 6. 
    When typing blood, a positive reaction

  • shows which antigens are present
  • shows clumping
  • helps deduce which blood type the sample is
  • all of the above

  • 7. 
    If a blood type ends in + (positive) that means

  • your attitude is positive
  • you are positive for an Rh protein
  • you are positive you know your blood type
  • + sign at the end is insignificant

  • 8. 
    In the context of the ABO blood group, a transfusion of AB blood may be given to a person who has blood type

  • A
  • O
  • B
  • AB

  • 9. 
    Human blood types in the ABO blood group are identified by

  • clotting factors in plasma
  • microscopic examination of white blood cells
  • antigen-antibody reactions
  • series of enzyme controlled reactions

  • 10. 
    Red blood cells that do not contain either A or B antigens on their surface are normally found in the person with blood type

  • A
  • O
  • B
  • AB
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