A 15-year-old male suffers from severe hemorrhage following a motor vehicle accident. He is given a blood transfusion, but shortly afterward the red blood cells are destroyed by agglutina-tion and lysis
Which of the following blood type transfusion type matches would cause this?
a. A-A
b. B-O
c. AB-O
d. A-AB
ANS: D
A person with type A blood also has circulating antibodies to the B carbohydrate antigen. If this person receives blood from a type AB or B individual, a severe transfusion reaction occurs, and the transfused erythrocytes are destroyed by agglutination or complement-mediated lysis. Type A can receive type A blood. Type B and type AB can receive type O.
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