皮皮学，免费搜题
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搜题
【单选题】
采集血气分析标本时,错误的操作是
A.
用2ml无菌干燥注射器
B.
取经过稀释的肝素溶液,充盈注射器后弃去
C.
无菌操作下抽取动脉血1ml
D.
将血迅速注入无菌试管内并用软木塞塞住
E.
立即送检
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