單項(xiàng)選擇題冰凍紅細(xì)胞的殘余甘油量應(yīng)()

A.<5%
B.<4%
C.<3%
D.<2%
E.<1%


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1.單項(xiàng)選擇題慢速冷凍法所加用的甘油保護(hù)劑,冷凍的條件為()

A.-20℃
B.-30℃
C.-80℃
D.-120℃
E.-196℃

2.單項(xiàng)選擇題快速冷凍法加甘油保護(hù)劑保存冰凍紅細(xì)胞的條件為()

A.-20℃
B.-30℃
C.-60℃
D.-80℃
E.-196℃

3.單項(xiàng)選擇題紅細(xì)胞懸液的血細(xì)胞比容為()

A.0.50~0.65
B.0.55~0.60
C.0.60~0.70
D.0.70~0.75
E.0.75~0.85

4.單項(xiàng)選擇題全血200ml分離出的濃縮紅細(xì)胞容量為()

A.120ml±10%
B.160ml±10%
C.180ml±10%
D.200ml±10%
E.150ml±10%

5.單項(xiàng)選擇題通常濃縮紅細(xì)胞比容為()

A.40%~50%
B.50%~60%
C.60%~70%
D.70%~80%
E.≥80%