在原发性肝癌的诊断中最具意义的是()。 A.CEA B.CA199 C.CA50 D

题型:单项选择题 A1型题

问题:

在原发性肝癌的诊断中最具意义的是()。

A.CEA

B.CA199

C.CA50

D.AFP

E.TRH

考点:核医学与技术(医学高级)核医学与技术综合复习题核医学与技术综合复习题题库
题型:单项选择题 A1型题

23岁,急性右下腹痛,阵发性加剧4h,伴恶心、呕吐。1年前查体曾发现右侧卵巢囊实性肿块4cm;G3P0。妇科检查:宫颈Ⅱ度糜烂,子宫中位正常大小;子宫右上方囊实性肿块(直径8cm),活动受限,压痛明显;B超提示肿块为囊实性,实性部分内有强回声。临床诊断:右卵巢成熟畸胎瘤蒂扭转。处理:急症剖腹探查。探查发现右侧附件顺时针扭转720°,呈紫黑色,盆腔内少量血性渗出。下列哪项处理最不恰当()

A.探查左侧附件

B.右附件切除,剖视左卵巢

C.直接钳夹蒂部行右附件切除

D.复位蒂扭转,剥除肿瘤送冷冻病理检查

E.直接钳夹蒂部行右附件切除,送冷冻病理检查

题型:单项选择题 A1型题

静脉注射呋塞米可预防和治疗急性肾衰竭,是因为()。

A.竞争性拮抗醛固酮作用

B.抑制碳酸酐酶

C.提高血浆渗透压

D.增加肾血流量

E.增加肾小球滤过率

题型:单项选择题 A1型题

阅读理解。

      There are some very good things about open education. This way of teaching allows the

students to grow as people, and to develop their own interests in many subjects. Open education

allows students to be responsible for their own education, as they are responsible for what they

do in life. Some students do badly in a traditional classroom. The open classroom may allow

them to enjoy learning. Some students will be happier in an open education school. They will

not have to worry about grades or rules. For students who worry about these things a lot, it is

a good idea to be in an open classroom.

     But many students will not do well in an open classroom. For some students, there are too

few rules. These students will do little in school. They will not make good use of open education.

Because open education is so different from traditional education, these students may have a problem

getting used to making so many choices. For many students it is important to have some rules in the

classroom. They worry about the rules even when there are no rules. Even a few rules will help this

kind of students. The last point about open education is that some traditional teachers do not like it.

Many teachers do not believe in open education. Teachers who want to have an open classroom

may have many problems at their schools.

    You now know what open education is. Some of its good points and bad points have been explained.

You may have your own opinion about open education. The writer thinks that open education is a

good idea, but only in theory. In actual fact, it may not work very well in a real class or school. The

writer believes that most students, but of course not all students, want some structure in their classes.

They want and need to have rules. In some cases, they must be made to study some subjects. Many

students are pleased to find subjects they have to study interesting. They would not study those subjects

if they did not have to.

1.Open education allows the students to            .

A.grow as the educated

B.be responsible for their future

C.develop their own interests

D.discover subjects outside class

2.Open education may be a good idea for the students who            .

A.enjoy learning

B.worry about grades

C.do well in a traditional classroom

D.are responsible for what they do in life.

3.Some students will do little in an open classroom because             .

A.there are too few rules

B.they hate activities

C.open education is similar to the traditional education  

D.they worry about the rules

4.Which of the following is NOT mentioned in the passage?

A.Some traditional teachers do not like it.  

B.Many teachers do not believe in open education.

C.Teachers may have problems in open classrooms.

D.The teacher's feelings and attitudes are important to the students.

5.Which of the following best summarizes the passage?

A.Open education is a really complex idea.

B.Open education is better than traditional education.

C.Teachers dislike open education.

D.The writer thinks that open education is a good idea in practice.

题型:单项选择题 A1型题

阵发性室性心动过速需要及时终止其发作,最主要的原因是

A.可引起心源性休克

B.可诱发心力衰竭

C.可发生栓塞

D.可发生心绞痛

E.可发展为心室颤动

题型:单项选择题 A1型题

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