AB recipient, ABO-only red-cell model: which donor groups are compatible?
AGroups A, B, AB and O
BGroups A and AB
CGroups A and B
DGroups O and AB
Answer & Solution
Correct answer: A. Groups A, B, AB and O
In the ABO-only red-cell model, group AB plasma lacks anti-A and anti-B antibodies, allowing cells of all four ABO groups.
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