帕金森病病理多巴胺能神经元胞浆主要病理改变是（）。 A.神经元_爱下问搜题

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问题单项选择题

帕金森病病理多巴胺能神经元胞浆主要病理改变是（）。

A.神经元变性

B.神经元缺失

C.路易小体

D.黑色素减少

E.老年斑

答案

参考答案：C

单项选择题

男，30岁，因车祸撞伤腹部，诉腹痛，伴恶心、呕吐、呕吐物量少。X线透视见膈下游离气体，拟诊为胃肠道穿孔。

在观察过程中，出现下列情况说明病情恶化，考虑中转手术，但哪项除外

A．原发病变严重，起病迅猛
B．无局限趋势
C．出现休克表现
D．病情不缓解反而加重
E．患者疲困无力

完形填空

阅读下列短文,从所给的四个选项中选出最佳答案.
A young man once asked Albert Einstein, the great scientist, 1 the secret of success（成功） is. The scientist told him that the secret of success is 2 work. A few days later the young man asked him the same question again. Einstein was very 3 . He did not say 4 , but wrote 5 words on a piece of paper and handed it 6 the young man. The young man looked at the piece of paper. 7 it was written: A=X+Y+Z.
“What does this mean?” asked the young man.
“A means success,” explained the old scientist. “X stands for（代表） hard work, Y stands for good methods（方法）, and Z…, Z means stopping 8 and getting down to work.”