护士小王是某手术的器械护士，手术前进行外科手消毒，下列做法正确的是（）
A.甲沟炎处涂0.5%碘伏溶液，再进行洗手和手消毒
B.用灭菌刷蘸取0.5%碘伏溶液，先刷前臂，再刷手部
C.用同一灭菌刷按照上一步骤再刷手一次
D.以无菌巾擦干双手，先擦前臂，再擦手部
E.手消毒后，双手保持高过肘部，以背开门进入手术室
参考答案：E
解析：选项A局部皮肤患有甲沟炎时，不应进行外科手术；选项B应先刷手部，再刷前臂；选项C第一遍刷完后应丢弃小刷，换另一灭菌刷再刷一次；选项D无菌巾应从手向肘部擦干，不得回擦。
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