AnswersBiology - SC3209 ICThe Cardiovascular SystemQuestion 1
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The Cardiovascular System

Question 1 • Biology - SC3209 IC

Why is Type O- the universal donor? Check all that apply.

Answer
A
Type O- has no antigens on its red blood cells, so the red blood cells can’t be attacked by antibodies of other blood types.
B
Type O- has antigens on its red blood cells, so the red blood cells can be attacked by antibodies of other blood types.
C
Type O- has no Rh antigen, so the red blood cells can’t be attacked by the Rh antibody.
D
Type O- has the Rh antigen, so the red blood cells can be attacked by the Rh antibody.
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