PATHOLOGY MCQ
IMMUNE RESPONSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If a red blood cell has no antigens on its surface, what is its blood type?
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A
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B
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AB
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O
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Explanation:
Detailed explanation-1: -ABO antigens are added to N-linked oligosaccharide chains on the VWF subunit. Thus patients with the type O blood group genotype lack the functional glycosyltransferase that adds N-acetylgalactosamine and D-galactose to the H antigen on VWF in blood group A and B subjects, respectively.
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