问题 单项选择题 B型题

具有口服抗利尿作用的口服降糖药是()

A.二甲双胍

B.普通胰岛素

C.氯磺丙脲

D.格列吡嗪

E.甲苯磺丁脲

答案

参考答案:C

解析:胰岛素能增加脂肪的转运,促进脂肪合成并抑制其分解,减少游离脂肪酸和酮体的生成,对糖尿病合并酮症酸中毒患者有很好的疗效;氯磺丙脲除刺激胰岛β细胞增加分泌胰岛素外,还刺激下丘脑分泌抗利尿激素,明显减少尿量;胰岛素能增加氨基酸的转运和蛋白质的合成,同时又抑制蛋白质的分解,适用于合并重度感染的重症糖尿病人;二甲双胍可降低食物吸收及糖原异生、促进组织摄取葡萄糖等,主要用于轻症糖尿病患者,尤其适用于肥胖者,单用饮食控制无效者;甲苯磺丁脲为第一代SU类降糖药,作用最弱、维持时间最短,但安全有效,罕见急性毒性作用;胰岛素依赖型糖尿病的治疗应选用的是普通胰岛素。

阅读理解

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

     Many people think of guys as being carefree when it comes to their appearance. But in fact, a lot of guys

spend plenty of time in front of the mirror. They care just as much as girls do about their body image.

     Body image is a person's opinions and feelings about his or her own body and physical appearance. 1.____

You appreciate your body for its capabilities and accept its imperfections. 

     2.____ Here are some ideas:

     Recognize your strengths. Different body types are good for different things. What does your body do well?

Maybe your speed, strength, or coordination makes you better than others at a certain sport. That may be

basketball, table tennis, mountain biking, dancing, or even running. Or perhaps you have non-sports skills, like

drawing, painting, singing, playing a musical instrument, writing acting. 3.____.

     Exercise regularly. Exercise can help you look good and feel good about yourself. Good physiques (体形)

don't just happen 4.____. A healthy habit can be as simple as exercising 20 minutes to 1 hour three days a week.

Working out can also lift your spirits.

     Respect your body! Practicing good habits-regular showering; taking care of your teeth, hair, and skin;

wearing clean clothes, and so on-can help you build a positive body image. 

     5.____ You body is just one part of who you are. Your talent for comedy, a quick wit (智慧), and all the

other things make you unique. So try not to let small imperfections take over.

A. Use this as an opportunity to discover what you're good at.

B. Be yourself.

C. Having a positive body image means feeling satisfied with the way you look.

D. Just explore talents that you feel good about.

E. They take hard work, regular workouts, and a healthy diet.

F. The good news is that self-image and body image can be changed.

G. So, what can you do to develop a positive body image?

问答题