If agglutination occurs after a blood transfusion, it may indicate: B. the recipient had type AB blood. C. there were no agglutinins (antibodies) in the recipient blood. D. the donor had type O blood....

If agglutination occurs after a blood transfusion, it may indicate: B. the recipient had type AB blood. C. there were no agglutinins (antibodies) in the recipient blood.

D. the donor had type O blood. E. Two of the answers are correct.