尿标本细菌培养,可疑阳性的是A.>103CFU/mlB.>104CFU/mlC.103~104CFU/mlD.>105CFU/mlE.104/sup>~105C

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问题 尿标本细菌培养,可疑阳性的是

选项

A.>103CFU/ml
B.>104CFU/ml
C.103~104CFU/ml
D.>105CFU/ml
E.104/sup>~105CFU/ml


答案E

解析尿路感染时,尿培养菌落计数革兰阴性杆菌>105CFU/ml,革兰阳性球菌>104CFU/ml有诊断意义,<104CFU/ml多为尿标本污染,104~105CFU/ml为可疑阳性。
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