Preview next quiz:
A biker of blood type O was in a serious accident; he lost a lot of blood and needed a blood transfusion. Which blood type should he have been given?
A. A
B. B
C. O
D. AB
Preview next quiz:
A biker of blood type O was in a serious accident; he lost a lot of blood and needed a blood transfusion. Which blood type should he have been given?
A. A
B. B
C. O
D. AB