与口鼻腔相通或在口腔内手术的创口属于（　　）A.无菌创口B.污染创口C.感染创口D.一期愈合创口E.延期愈合创口

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问题与口鼻腔相通或在口腔内手术的创口属于（　　） A.无菌创口 B.污染创口 C.感染创口 D.一期愈合创口 E.延期愈合创口

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答案 B

解析

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