A group AB patient requires plasma. Which ABO plasma is the first-choice compatible product?
1Group AB plasma✓ 정답
2Group O plasma only
3Group A red blood cells
4Any red cell unit regardless of ABO
해설
Group AB plasma lacks anti-A and anti-B and is ABO-compatible with an AB recipient. Plasma compatibility is based on antibodies in the donor plasma, not the universal-donor rule used for group O red cells.