單項(xiàng)選擇題

【A1型題】ACT常用于體外循環(huán)時(shí)對(duì)肝素用量的監(jiān)測,用魚精蛋白中和反應(yīng)后應(yīng)小于()

A.130s
B.20s
C.50s
D.400s
E.150s

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