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问题 单项选择题 A1/A2型题

关于骨肉瘤，下列哪项说法是错误的（）。

A.好发于股骨下端和胫骨上端干骺端

B.局部肿胀，疼痛，有时表现类似急性炎症

C.X线摄片上可见骨质破坏，骨膜下新骨形成和日光放射状阴影

D.一经摄片诊断，应即刻行高位截肢术

E.术前、术后均应用化疗

答案

参考答案：D

解析：现在的恶性骨肿瘤治疗的观点是保肢和新辅助化疗，而且仅通过摄片不能确诊骨肉瘤，更不允许据此而行高位截肢术。

单项选择题

穿经梨状肌下孔结构中，居最外侧的是（）。

A.坐骨神经

B.股后皮神经

C.臀下血管

D.阴部内血管

E.阴部神经
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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.

10（）

A.discharge

B.exclude

C.dismiss

D.expel
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