【单选题】【消耗次数：1】
为预防中心静脉导管引起的相关感染，哪项措施不正确（ ）
①
独立操作前有资格认证
②
置管部位铺大无菌单，严格无菌操作
③
置管人员戴帽子口罩无菌手套穿无菌手术衣
④
成人中心静脉置管应首选颈静脉
⑤
置管过程中手套污染或破损应当立即更换
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相关题目
【单选题】
穿无菌衣和戴无菌手套后，必须保持无菌的部位是
①
整个胸、腹、背部和双上肢
②
整个颈肩、胸、腹、背部
③
腰部以上的前胸，后背和双上肢
④
腰部以上的前胸和肩部
⑤
腰部以上的前胸、侧胸和双上肢
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