问题
单项选择题
易导致低渗性脱水的为( )
A.大量出汗
B.高热
C.弥漫性腹膜炎
D.大量腹水
E.应用大量噻嗪类利尿药、利尿酸或速尿
答案
参考答案:E
解析: 噻嗪类利尿剂、利尿酸和速尿,抑制肾小管髓袢升支粗段对Na+、Cl-的重吸收,使之随尿液排出体外,体内细胞外液Na+、Cl-减少,渗透压低,水排出过多而脱水,造成低渗性脱水。
易导致低渗性脱水的为( )
A.大量出汗
B.高热
C.弥漫性腹膜炎
D.大量腹水
E.应用大量噻嗪类利尿药、利尿酸或速尿
参考答案:E
解析: 噻嗪类利尿剂、利尿酸和速尿,抑制肾小管髓袢升支粗段对Na+、Cl-的重吸收,使之随尿液排出体外,体内细胞外液Na+、Cl-减少,渗透压低,水排出过多而脱水,造成低渗性脱水。
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One of the most important ways to help plants and animals is to protect their habitats (栖息地). There they can live 1 too much interference (干涉) from humans. It is also important to 2 habitats outside reserves. You can visit a nearby national park or a(n) 3 reserve. Some national parks have 4 guided tours. Talk to the rangers (护林员) to find out whether animals are in danger and 5 people protect them. For example, you and your friends 6 help the rangers with their work. If you have friends on farms, 7 them to keep patches (小块地) of bush as wildlife habitats and to leave old trees standing, especially those with hollows (洞) suitable for nesting animals. Some groups 8 local lands and nature reserves. They do this by removing weeds and planting local native species in their places. You could join one of these groups, or 9 start a new one with your parents and your friends. Remove rubbish and replant trees; all these will also encourage native animals to 10 . | ||||
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