问题 单项选择题

早产儿、新生儿出血,应首选

A.氨甲苯酸

B.肝素

C.维生素K

D.去甲肾上腺素

E.肾上腺素

答案

参考答案:C

解析:[解题思路] 早产儿、新生儿由于胃肠道内细菌缺乏,维生素K合成减少,引起出血。氨甲苯酸抑制纤溶酶原激活因子,使纤溶酶原不能转变为纤溶酶,抑制纤维蛋白的溶解,临床上主要用于纤溶亢进所致的出血。肝素为抗凝血药。去甲肾上腺素激动α受体,使皮肤、黏膜血管强烈收缩,用于无法控制的上消化道出血,剂量过大易引起局部组织坏死。肾上腺素可收缩皮肤、黏膜血管,局部应用于鼻黏膜及牙龈出血。

阅读理解

Mr.Jenkins liked all kinds of delicious foods.As an important officer,he was often asked to dinner.The shopkeepers tried their best to fawn on(巴结)him.They knew it was good for their business.Now the officer got fatter and fatter.He could hardly go upstairs at home and had to sleep downstairs. He often felt tired if he walked or did some housework. He was  worried about it and had to go to see a doctor.“Stop eating much fat(脂肪)and sugar,Mr Jenkins,”said  the doctor .Or it will be worse for your health! It was difficult for the officer to do it. He wouldn’t do as the doctor said. Of course. He found something was wrong with his heart a few months later. Now he thought the doctor was fight.And he had to be in hospital.“You must lose weight(减肥),sir,” said the doctor.“unless you want to die soon!”“Could you tell me a way to lose weight,please?”“You must do an exercise first.”“Which  exercise?”“To move your head from side to side when you’re invited to dinner!”

小题1:Mr.Jenkins wag often asked to dinner because       

A.he liked the delicious foods

B.he was ready to help others

C.he was friendly to the shopkeepers

D.he was helpful to their business小题2:It was difficult for Mr.Jenkins to do everything.so      

A.he didn’t go to dinner

B.he began to do some exercise

C.he went to ask the doctor for help

D.he had to take much medicine小题3:Mr.Jenkins wag afraid       , so he went to the doctor again.

A.to die

B.to be thin

C.to stop working

D.to do housework小题4:Which of the following is true according to the passage?

A.The doctor told Mr.Jenkins to do some exercise.

B.The doctor told Mr.Jenkins to move his head.

C.The doctor told Mr.Jenkins not to go to dinner.

D.The doctor thought Mr.Jenkins would die.

单项选择题