问题 问答题 简答题

在胸部做穿刺引流时,需避开哪些血管?这些血管的走行如何?

答案

参考答案:

胸膜腔穿刺引流常在腋后线第9肋间进针,进针部位在肋间隙略偏下位肋的上缘,可避免损伤肋间后动、静脉及神经。肋间血管的走行是:第1—2肋间隙的动脉来自锁骨下动脉的分支。策3—11肋间隙者来自肋间后动脉,它起自胸主动脉,有同名静脉伴行(及同名神经),在肋角内侧三者并行,于肋间隙中部。在肋角附近发出一小支为下支,本干为上支分别循下肋上缘和肋沟前行。下三对肋间后动脉常不分上、下支。

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根据短文内容选择正确答案。

       Mexico (墨西哥) is a land of variety. It has different climates (气侯). Some areas (地区) are hot,

some cold, some are very dry or very wet. There are different kinds of people. Just as in the United

States, the oldest inhabitants are Indians. There are also Europeans (欧洲人), especially (特别) Spanish,

and mixtures (混和) of these groups. The people do not all speak the same language. Spanish is spoken

by most Mexicans, but there are also many Indian languages. Some people can also speak English. Great

differences are found between the modern cities and the countryside. New ideas and ways of living are

popular in the cities while the old ways of farming and village life are still common in the countryside.

More and more people come to live and work in the cities every year.

1. Which of the following stands for the main idea of this short passage?[ ]

A. Different Climates in Mexico.

B. Modern Cities and the Countryside in Mexico.

C. Variety in Mexico.

D. Different Kinds of People and Many Languages in Mexico.

2. Choose the same order as they are in the short passage.[     ]

A. Different Climates, Different Kinds of People, Many Languages and Modern Cities and the Countryside.

B. Different Kinds of People, Modern Cities and the Countryside, Different Climates, Many Languages.

C. Variety in Mexico, Many Languages, Different Kinds of People, Modern Cities and the Countryside and

     Different Climates.

D. Variety in Mexico, Different Climates, Different Kinds of People, Many Languages, and Modern Cities

     and the Countryside.

3. "Variety" in the short passage means              .[ ]

A. very complex activity (复杂活动)

B. very colorful life

C. quality (质量、特性) of not being the same

D. of rich of everyday life

4. "Inhabitant" in the short passage means              .[ ]

A. people living in a place

B. people working in a place

C. people having good habits (习惯)

D. men and women living and working in a place

5. Mexico is             .[ ]

A. to the north of the USA

B. to the south of the USA

C. in Africa

D. in Europe

单项选择题 A1/A2型题