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问题 单项选择题 A1型题

40Hz以上的局部振动引起的局部振动病的主要特征病变是（）

A.发作性的白指或白手

B.上肢末梢循环障碍

C.自主神经功能紊乱

D.心脏功能紊乱

E.骨关节改变

答案

参考答案：B

单项选择题

索赔事件发生后须在( )天内发出索赔意向通知。

A．(14

B．(28

C．(7

D．(10
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单项选择题

The nurse should anticipate which psychological reactions during the second trimester of pregnancy（）

A. Self-centeredness and concentration on the behavior and appearance of children.

B. Extroversion and emotional lability.

C. Ambivalence and uncertainty.

D. Dismay over body image and readiness for the end of pregnancy.
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