下列防止交叉感染的最重要的措施是 A.无菌物品应定期检查 B.无菌操作前洗手、修剪指

题型:单项选择题

问题:

下列防止交叉感染的最重要的措施是

A.无菌物品应定期检查
B.无菌操作前洗手、修剪指甲
C.一份无菌物品只能供一个病人使用
D.无菌物品应放在清洁、干燥、固定的地方
E.凡未经消毒的手和物品,不可跨越无菌区

考点:护士护理考试护士专业知识初级护士专业知识
题型:单项选择题

据达尔文的生物进化学说,下列叙述不正确的是[ ]

A.田鼠打洞和夜出活动是自然选择的结果

B.狼和鹿能迅速奔跑,两者进行相互选择

C.狗的牙齿坚硬,是长期磨练出来的

D.有一种猫头鹰,视力弱,行走迟缓,因捉不到田鼠被淘汰

题型:单项选择题

经皮腔内冠状动脉成形术(PTCA)后,拔除血管导管鞘的正确护理措施是()

A.至少保留24~48小时后方可拔除

B.拔除前应停用肝素至少8~12小时

C.拔除后须局部压迫止血15~20分钟

D.止血后扎压力绷带,沙袋压迫1小时

E.拔除后平卧2小时方可下地活动

题型:单项选择题

Currently 94% of Web users use either Internet Explorer or Firefox, but recently some new (71) have been developed that are beginning to attract attention. The browser Opera is becoming very (72) because of its speed, it is currently the world’s fastest browser, and because it is much smaller (73) existing browsers (it can almost fit on a single diskette). It can also (74) the last Web page you visited, so the next time you surf, you can start where you left off. And like the big two, you can get it for free; the catch is that you have to watch blinking ads in one comer, or pay $40 for the ad-free (75) of Opera.

A.readers

B.machines

C.techniques

D.browsers

题型:单项选择题

施工周期是指建设项目从正式工程开工到全部投产使用为止的持续时间。应计算的相关指标不包括( )。

A.施工准备期

B.施工机械维修期

C.部分投产期

D.单位工程工期

题型:单项选择题

梁式机翼的弯矩主要由下列哪个构件承受()

A.桁条

B.蒙皮

C.翼梁

D.上、下壁板

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