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问题 问答题

简述糖尿病的常见继发病症。

答案

参考答案：糖尿病的常见并发症有高血压、感染、冠心病、脑血管硬化等血管硬化性病变和视神经病变，以及糖尿病酮症酸中毒和高渗性非酮症糖尿病昏迷等急性症状。

单项选择题

关于慢性肾功能衰竭，下列哪项正确（）

A.血中尿素值的变化能正确反映肾小球滤过率的变化

B.低钠血症均由于钠缺乏所引起

C.尿毒症性酸中毒是由于蛋白分解增加所致。

D.肾功能衰竭严重，但血清钙值正常，则提示有继发性甲状旁腺功能亢进

E.常有高磷血症
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单项选择题

Although it is assumed that peacocks’ magnificent tails function essentially to attract peahens, no one knows why it should be magnificent tails that give a competitive advantage in securing mates. One explanation is that peahens are more likely to mate with peacocks with magnificent tails than with peacocks that lack magnificent tails.
Which of the following is an error of reasoning exemplified by the explanation

A．Attributing to animals qualities that are characteristically human.

B．Extending a conclusion that is true of only one species of a genus to all species of the genus.

C．Offering as an explanation a hypothesis that in principle can be neither verified nor proved false.

D．Offering the phenomenon that is to be explained as the explanation of that phenomenon.

E．(E) Assuming without warrant that peacocks with magnificent tails are likely to have other features ply attractive to peahens.
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