问题
单项选择题
强心苷对慢性心功能不全病人利尿作用的原因是
A．增加K＋的排泄
B．减少肾小管对Na＋再吸收
C．正性肌力作用继发肾血流量增加
D．直接利尿作用
E．抑制肾小管细胞Na+-K+-ATP酶
答案
参考答案：C
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强心苷对慢性心功能不全病人利尿作用的原因是
A．增加K＋的排泄
B．减少肾小管对Na＋再吸收
C．正性肌力作用继发肾血流量增加
D．直接利尿作用
E．抑制肾小管细胞Na+-K+-ATP酶
参考答案：C
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| I became lame (瘸的) in both legs in my childhood. I can't stand 1 the support of two sticks. Only in my wheelchair can I " 2 ". I still remember the first day at school. When I appeared at the door, everyone in the classroom stared (凝视) at me in 3 . My face turned red. I couldn't help turning back. It was the 4 and sympathy (同情) in their eyes that 5 me doing so. I went shyly towards an unoccupied (空的) seat. Being late, I didn't dare to walk in front of my classmates. I was afraid that I might be 6 at. In those days I was very sad to see others walking happily. One day, a few students came up to me and asked me to go outside. I was really excited. They encouraged me with a friendly smile and 7 me in my wheelchair from place to place. I was thankful to them for giving me a chance to see the sights of our lovely school with my own eyes. After that we often read, played and talked together. My friends are always 8 to help me. It made me 9 I am handicapped (残疾的). Once they asked me, "What is the most beautiful thing in our school?" Without hesitation (犹豫) I said, "It is the 10 ." | ||||
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