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Uncommon Blood Groups
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Modern Blood Banking Study Set 1

Medicine

Quiz 9 :
Uncommon Blood Groups

Quiz 9 :
Uncommon Blood Groups

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ISBT nomenclature for the Xg System is
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Multiple Choice
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Answer:

C

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Antigens in the CH/RG blood group system are described as:
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Answer:

D

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Which antigen is expressed on C4B complement fragments?
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Multiple Choice
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Answer:

A

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A plasma inhibition study was performed on a patient whose serum sample reacted +/- on all panel cells at AHG. Three sets of A, B, C tubes were set up according to the following scheme: Tube A had 2 drops of patient serum and 1 drop of Ch(a+) Rg(a-) plasma. Tube B had 2 drops of patient serum and 1 drop of Ch(a-) Rg(a+) plasma. Tube C had 2 drops of patient serum and 1 drop of Ch(a+) Rg(a+) plasma. Screening cells were added in triplicate and incubated for 60 minutes at 37°C. The antiglobulin test was performed. All three A tubes reacted at 2+, and the B and C tubes were negative. What antibody is indicated?
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The Dia and Dib antigens are located on:
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Which of the following is true concerning Colton antibodies?
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Anti-Sc3 will react with which Scianna phenotype?
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An antibody that reacts in the IAT phase of the antiglobulin test and whose antigen expression is depressed by the In (Lu) gene is:
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The gene for which blood group antigen is located on the petite arm of the X chromosome?
Multiple Choice
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The high-incidence Gya, Hy, and Joa antigens belong to which blood group system?
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Knops antigens are present in most populations at a rate of:
Multiple Choice
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The following is true regarding anti-Doa and anti-Dob.
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What blood group antigens are involved in the regulation of complement because they are located on decoy accelerating factor?
Multiple Choice
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Where might you expect anti-Ytb to react in antibody screening?
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How does complement aid in the identification of alloantibodies masked by anti-Cha?
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Anti-Wrb has been frequently observed in patients:
Multiple Choice
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Bg antibodies are primarily directed toward antigenic determinants present on:
Multiple Choice
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The Wright blood group antigens belong to which blood group system?
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LW has a phenotypic relationship with the antigen.
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Both anti-Dia and anti-Dib are known to:
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