Which modification of a cellular blood component is used to prevent transfusion-associated graft-versus-host disease in an at-risk recipient?
1Washing with saline
2Volume reduction
3Leukocyte reduction alone
4Irradiation✓ 정답
해설
Irradiation inactivates viable donor T lymphocytes and is used to prevent transfusion-associated graft-versus-host disease. Leukocyte reduction alone does not provide equivalent prevention.