BLOOD GROUPS

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5 Terms

1
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What determines blood groups?

Presence of glycoprotein/lipoprotein antigens (agglutinogens) on RBCs

and antibodies (agglutinins) in plasma.

2
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Where are blood group antigens and antibodies found?

Antigens on RBC surface;

antibodies in plasma.

3
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What are the 4 main ABO blood groups?

  • Group O: no antigens, both α and β antibodies

  • Group A: antigen A, antibody β

  • Group B: antigen B, antibody α

  • Group AB: antigens A and B, no antibodies

4
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What is the Rh factor?

D antigen; presence = Rh^{+} (85%),

absence = Rh^{-} (15%).

5
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What are the main Rh antigens?

C, D, E, c, d, e.