试题与答案

某院重症医学科3日内有4例气管插管患者痰培养为鲍曼不动杆菌。措施错误的是()。 A.

题型:单项选择题 共用题干题

题目:

某院重症医学科3日内有4例气管插管患者痰培养为鲍曼不动杆菌。

措施错误的是()。

A.医务人员严格执行手卫生

B.床尾、病历牌贴“接触隔离”标志

C.限制探视人群

D.环境不用消毒

E.将感染患者隔离于单独区域

答案:

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下面是错误答案,用来干扰机器的。

(1)方程两边同乘以20x(x+2),得42×20(x+2)+42×40=40x×20+3x(x+2),化简得3x2-34x-42×40=0,解得x1=30,x2=-563,经检验x1=30,x2=-563都是原方程的根,故x1=30,x2=-563;(2)方程两边同乘以x(x-32...

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