Which antibody is most frequently implicated in delayed hemolytic transfusion reactions because its level often falls below detectable limits between transfusions?
1Anti-Jka✓ 정답
2Anti-Lea
3Anti-M
4Anti-I
해설
Kidd antibodies characteristically fall below detectable levels between transfusions and then rise rapidly on re-exposure, which is why they are a leading cause of delayed hemolytic reactions. Lewis and M are usually of little clinical significance, and anti-I is a cold autoantibody.