关于骶管阻滞,下述哪个错误()。 A.骶管腔是蛛网膜下腔的延续 B.骶角是骶管阻滞的

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问题:

关于骶管阻滞,下述哪个错误()。

A.骶管腔是蛛网膜下腔的延续

B.骶角是骶管阻滞的进针标志

C.骶管容量为20~30ml

D.骶管腔内充满脂肪

E.骶管阻滞也会出现单侧阻滞

考点:麻醉(医学高级)麻醉相关解剖生理基础麻醉相关解剖生理基础题库
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近因原则是判断风险事故与保险标的损失之间的因果关系,确定保险赔偿责任的一项基本原则。这里近因是指()。

A.导致损失的时间上最近的原因

B.导致损失的第一个原因

C.导致损失的最后一个原因

D.导致损失的最直接、最有效的原因

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下列有关真菌特征的叙述,不正确的是 [ ]

A.通过分裂生殖繁殖后代    

B.细胞内有真正的细胞核   

C.以现有的有机物生活      

D.个体有大也有小

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农业的发展要“因地制宜”,下列适合发展种植业的地区是[ ]

A、山地

B、平原

C、丘陵

D、湖泊

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When you stop and think about your high school or college alma mater, were your experiences more positive or negative Do your feelings of (1) in that school have anything to do with whether or not your school was single-sex or coed (2) to send their children to single-sex schools, because they feel both (3) when they study in the company of students of the same sex. They (4) .
For years, only parents who could afford to send their children to private schools, or who had (5) , chose single-sex education for their children. Single-sex schooling was (6) for most American families. Today, however, along with (7) , public schools are experimenting with the idea of (8) .
Girls may be the ones who benefit most from single-sex schooling. Studies have shown that (9) in coed classrooms because teachers sometimes pay more attention to boys. Girls’ (10) toward their studies tends to disappear as they begin to feel less successful. They start to (11) outperform them in math and science. As boys (12) , girls start to lose it. Moreover, adolescence is (13) for girls. As they experience adolescent changes, some girls become depressed, develop an addiction, or suffer from (14) .
In the early 1990s, some influential people said that being in single-sex classes could (15) . Schools across the country began creating single-sex classrooms and schools. But many critics claim that (16) may actually be detrimental to a girl’s education because they (17) of sex differences.
The renewed interest in single-sex schooling (18) among Americans. Those who give it full endorsement believe girls need an all-female environment to take risks and find their own voices. Those who (19) of single-sex schooling wonder whether students’ lack of achievement warrants returning to an educational system that divides the sexes. They believe there is no (20) .

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一例脓胸病人,胸腔闭式引流术已一个半月,引流量每日40ml,胸腔造影显示包裹性脓腔容积约为60ml。病人一般情况良好,无发热。各项化验检查基本在正常范围。下一步的治疗为()

A.继续抗感染治疗

B.拔除胸腔引流管

C.胸廓成形术

D.继续胸腔闭式引流术

E.变开放式胸腔引流并逐渐退出引流管

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