Problem
A. Why is the ABO system most commonly used to blood type patient?
B. In what three situations is the ABO typing needed? Discuss your answers.
C. What immunologic reaction is involved in transfusion reaction? Discuss your answer.
D. How is the ABO system different from Rh system of blood typing?
E. Differentiate HDN of the ABO blood group and HDN of Rh blood group.