LYMPHATIC
LYMPHATIC SYSTEM
Question
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What types of antigens are present in a person with O+ blood?
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A and B
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Rh, only
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A, B and Rh
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None
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Explanation:
Detailed explanation-1: -blood group O – has no antigens, but both anti-A and anti-B antibodies in the plasma.
Detailed explanation-2: -O blood group is the only blood group does not have any type of antigen on their RBCs unless it’s O +ve which means it contains D/Rh factor. There is no antigen known as O but the blood has A, B and D/Rh factor as antigens.
Detailed explanation-3: -Rh antigens, also called Rhesus antigens, are transmembrane proteins expressed at the surface of erythrocytes. They appear to be used for the transport of CO2 and/or ammonia across the plasma membrane. RBCs that are Rh positive express the one designated D (RhD antigen).
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