问题
单项选择题
肾维持水平衡的功能，主要依靠下列哪项活动来实现
A．肾小球滤过量
B．近曲小管与髓袢的重吸收水量
C．近曲小管与远曲小管的重吸收水量
D．远曲小管与集合管的重吸收水量
E．肾小管的分泌功能
答案
参考答案：D
解析：肾小球将血液过滤到肾小囊中，这是原尿。原尿进入肾小管，在远曲小管与集合管的大部分水分和有用的物质被重吸收，维持水平衡的功能。
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肾维持水平衡的功能，主要依靠下列哪项活动来实现
A．肾小球滤过量
B．近曲小管与髓袢的重吸收水量
C．近曲小管与远曲小管的重吸收水量
D．远曲小管与集合管的重吸收水量
E．肾小管的分泌功能
参考答案：D
解析：肾小球将血液过滤到肾小囊中，这是原尿。原尿进入肾小管，在远曲小管与集合管的大部分水分和有用的物质被重吸收，维持水平衡的功能。
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| I recently heard a story about a famous research scientist who had made several very important medical breakthroughs. What set him so far apart from others? He 1 that, in his opinion, it all came from an 2 from his mother that happened when he was about 2 years old. He had been trying to 3 a bottle of milk from the refrigerator when he lost his 4 on the slippery bottle and it 5 , making its contents pouring all over the kitchen floor. When his mother came into the kitchen, instead of 6 at him, giving him a lecture, or punishing him, she said: "Robert, what a 7 and wonderful mess you have made! I have 8 seen such a huge pool of milk. Well, the damage has already been done. Would you like to 9 down and play in the milk for a few minutes 10 we clean it up?" Indeed, he did. After a few minutes, his mother said: "You know, Robert, 11 you make a mess like this, you have to clean it up at last and 12 everything to its proper order. So, how would you like to do that? We could use a sponge (海绵), a towel, or a mop. Which do you 13 ?" He chose the sponge and together they 14 the milk. His mother then said: "You know, what happened just now is a 15 experiment in how effectively to carry a big milk bottle with two 16 hands. Let's go out in the backyard and fill the bottle with water and see if you can 17 a way to carry it without dropping it." The little boy 18 that if he held the bottle at the top near the lip with both hands, he could carry it without dropping it. This scientist then 19 that it was at that moment that he knew he didn't need to be afraid to make 20 .Wouldn't it be great if all parents would respond the way Robert's mother responded to him? | ||||
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