【单选题】
关于手术进行中无菌原则的叙述，哪项是错误的___
A. 不可在手术人员背后传递器械
B. 手术台平面以下为污染区
C. 术中被肠内容物污染的器械必须冲洗后再用
D. 手套破损立即更换
E. 皮肤切开或缝合前均需用70％乙醇消毒皮肤1次
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答案
C
解析
暂无解析
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A. 妊娠32～34周血容量增加达高峰
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剖宫产术后护理中。下列哪项不对___
A. 术后平卧，次日改半卧位
B. 术后12h内密切注意阴道流血情况
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