试题与答案

对"先天性髋脱位"的论述，下列正确的是（） A.较常见的先天性畸形，女多于男，左侧比

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题型：单项选择题

题目：

对"先天性髋脱位"的论述，下列正确的是（）

A.较常见的先天性畸形，女多于男，左侧比右侧多

B.发病原因迄今不明

C.病理发生在髋臼、股骨头、颈、关节囊的原发性病变和继发性病变

D.治疗越早，效果越好

E.以上都是正确的

答案：

参考答案：E

解析：先天性髋脱位的原因迄今不明，据研究与遗传、环境、产后等因素有关。是一种较常见的先天性畸形，女多于男，左侧比右侧多。病理发生在髋臼、股骨头、颈、关节囊的原发性病变和继发性病变。治疗越早，效果越好。

考点：江苏住院医师儿外科小儿骨科小儿骨科题库
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Currently in the U.S., thirty-nine million people live in poverty. When money is really tight, paying the rent or buying food often becomes a choice. Government assistance in the form of food stamps does help but, as one homeless man explains, you can’t pay the rent with food stamps.
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Although men constitute the largest group within the homeless population, homeless women with children are rapidly joining them. In fact, one quarter of the homeless people in the U.S. are teenagers and young children.
People may become homeless for numerous reasons. However there are certain factors that many of these individuals have in common. They include a lack of adequate education and job skills. A majority of the teenagers and adults have not completed high school.
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Some members of this population suffer mental health problems. Within the past several years many institutions for the menially ill have been closed and their patients sent "home". Unfortunately, a number of those people have no home to go to and they are unable to adequately look after themselves.
Job loss in today’s economy has also become a real factor in the loss of people’s homes. The breakup of families through abandonment and divorce are also contributing factors, particularly when there are children involved. The parent who is left to care for the kids with inadequate income may be forced to depend on the homeless shelters to put a roof over their heads.
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