If a patient with anti-E needs a blood transfusion, then approximately what percentage of donor blood tested will be compatible?

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Multiple Choice

If a patient with anti-E needs a blood transfusion, then approximately what percentage of donor blood tested will be compatible?

Explanation:
Anti-E is an alloantibody that reacts with the E antigen on RhD-positive red cells. When selecting donor blood for someone with anti-E, you need E-negative units to avoid a transfusion reaction. In donor populations, about 30% express the E antigen, while roughly 70% do not. Therefore, about 70% of donor units will be compatible for an anti-E recipient.

Anti-E is an alloantibody that reacts with the E antigen on RhD-positive red cells. When selecting donor blood for someone with anti-E, you need E-negative units to avoid a transfusion reaction. In donor populations, about 30% express the E antigen, while roughly 70% do not. Therefore, about 70% of donor units will be compatible for an anti-E recipient.

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