Why Is It Sometimes Necessary to Distinguish A₁ and A₂

question 14

Multiple Choice

Why is it sometimes necessary to distinguish A₁ and A₂ blood types?

• A)To resolve a discrepancy between the forward and reverse typing
• B)To prevent A₁ recipients from receiving A₂ blood
• C)To determine the secretor status of group A individuals
• D)To prevent hemolytic disease of the newborn

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