健康成人一次失血量不超过多少毫升可通过人体的代偿使之逐渐恢复而不用输血A.600mlB.1000mlC.1500mlD.2000mlE.2...

作者: rantiku 人气: - 评论: 0
问题 健康成人一次失血量不超过多少毫升可通过人体的代偿使之逐渐恢复而不用输血
选项 A.600ml B.1000ml C.1500ml D.2000ml E.2500ml
答案 A
解析 :急性失血少于血容量的20%,经晶体扩容后,如果循环稳定,HCT≥O.3,不必输血。

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