男性，58岁。劳累后心前区闷痛8年，近1周常因夜间胸痛而惊醒，发作时心电图特征为：Ⅱ、Ⅲ、aVF导联ST段呈单向曲线型上抬0．2mV，缓解后上抬消失。发作时最不宜用的药物是 （）
A.β受体阻滞剂
B.开博通（卡托普利）
C.硝酸甘油
D.硝苯地平
E.丹参制剂
参考答案：A
解析：患者为典型的变异性心绞痛，β受体阻滞剂可加重冠脉痉挛，故不宜。
| 阅读短文，根据短文内容完成相关任务。 | ||||
| We all have many things to do every day. We study hard at school. We play games after class. We do our homework in the evening. We chat with our parents and friends when we have time. How can we do these things better? Sleep is the answer to this question. Sleep is our best doctor. Follow the advice (建议) below (在下面), and you will have a better life. ●Always sleep on the same bed and get up at the same time. ●Always go to bed at the same time. You can read a book or listen to music before sleep. ●Make your room dark, quiet and comfortable when you sleep . ●Use your room only for sleep . Take your computer and TV out of your room. ●Don’t have supper too late. After eating, you should wait for about two hours before you go to bed. ●Do exercise regularly (有规律地). If you want to do exercise, do it more than two hours before you go to bed. ●Don’t drink coffee or tea or eat chocolates before sleep. They can keep you awake. | ||||
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