Question
Identify the blood grouping process done here.
Slide given with: AB no clumps, Clumping in O & No clumps in control. Which group does this signify?
A. A-ve
B. B+ve
C. O+ve
D. Rh group
Show Answer
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Correct Answer » D Explanation |
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Ans:D. Rh group.
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D antigen –
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Most important blood group antigen in routine blood banking.
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Antibodies of Rh system do not occur naturally in serum.
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Mostly as a result of antigen exposure during pregnancy or through transfusion.
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Presence or absence of D antigen determined by testing RBC’s with Anti-D.
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Agglutination indicates D positive test cells.
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No agglutination indicates D negative test cells.
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“Weak D” – Used to describe D antigen forms that are un-agglutinated directly by anti-D reagents