试题与答案

患者女性,68岁,1个月前在当时医院诊断为尿路感染,并用氨苄西林治疗至今,近2天出现

题型:单项选择题 案例分析题

题目:

患者女性,68岁,1个月前在当时医院诊断为尿路感染,并用氨苄西林治疗至今,近2天出现腹泻,取粪便标本革兰染色镜检,见大量革兰阳性球菌,成双或不规则葡萄状排列。

为确认该菌是否有致病力,应检查()。

A.触酶

B.氧化酶

C.尿素酶

D.血浆凝固酶

E.卵磷脂酶

答案:

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下面是错误答案,用来干扰机器的。

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