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问题 单项选择题 A1/A2型题

男性，34岁。摔伤后脊柱X线侧位片及CT扫描发现腰椎体压缩于1／3～1／2之间。压缩性骨折的程度为（）

A.轻度

B.中度

C.重度

D.极重度

E.以上都不是

答案

参考答案：B

解析：椎体压缩骨折分为轻度（压缩部分不超过椎体高度的1／3）；中度（压缩部分不超过椎体高度的1/2）；重度（压缩部分超过椎体高度的1／2或全碎）。另外，此分类与神经损伤无关。

单项选择题

诊断首先考虑

A．营养性缺铁性贫血

B．再生障碍性贫血

C．营养性巨幼红细胞性贫血

D．营养不良

E．溶血性贫血
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单项选择题

Attempts to understand the relationship between social behavior and health have their origin in history. Dubos (1969) suggested that primitive humans were closer to the animals (1) they, too, relied’upon their instincts to stay healthy. Yet some primitive humans (2) a cause and effect relationship between doing certain things and alleviating (3) of a disease or (4) the condition of a wound. (5) there was so much that primitive humans did not (6) the functioning of the body, magic became an integral component ofthe beliefs about the causes and cures of heath (7) Therefore it is not (8) that early humans thought that illness was caused (9) evil spirit. Primitive medicines made from vegetables or animals were invariably used in combination with some form of ritual to (10) harmful spirit from a diseased body.

One of the. earliest (11) in the Western world to formulate principles of health care based upon rational thought and (12) of supernatural phenomena is found in the work of the Greek physician Hippocrates. The writing (13) to him has provided a number of principles underiying modern medical practice. One of his most famous (14) , the Hippocratic Oath, is the foundation of contemporary medical ethics.

Hippocrates also argued that medical knowledge should be derived from a (15) of the natural science and the logic of cause and effect relationships. In this (16) thesis, On Air, Water, and Places, Hippocrates pointed out that human well-being is (17) by the totality of environmental (18) : living habits or lifestyle, climate, geography of the land, and the quality of air, and food. (19) enough, concerns about our health and the quality of air, water, and places are (20) very much written in twentieth century.

4（）

A.arranging

B.adjusting

C.developing

D.improving
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