尿生成的基本过程是:
A. 肾小球的滤过
B. 肾小管和集合管的重吸收
C. 尿液的浓缩
D. 尿液的稀释
E. 肾小管和集合管的分泌和排泄
血K+浓度升高或血Na+浓度降低时,醛固酮的分泌减少。
A. 对
B. 错
排尿的初级中枢与大脑皮层失去联系时,可出现尿潴留。
A. 对
B. 错
This meeting is regarded as the most important meeting concerning climate change ver held.
A. treated
B. looked
C. considered
D. named