下面对非缺血型视网膜中央静脉阻塞（如图）描述错误的是（） A.有持续的毛细血管闭塞

发布时间：2017-09-04 16:47 │ 来源：www.tikuol.com

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问题：

下面对非缺血型视网膜中央静脉阻塞（如图）描述错误的是（）

A.有持续的毛细血管闭塞

B.可有轻度的视盘水肿及黄斑水肿

C.荧光造影显示视网膜循环时间延长，毛细血管渗漏

D.各象限视网膜有点状及火焰状出血

E.各分支静脉扩张、纡曲

考点：北京住院医师眼科Ⅰ阶段眼科住院医师眼科住院医师题库

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如图所示，a、b是借助仪器观察到的两种声音的图线，从图线可知：图 (a／b)表示乐音．市区禁止机动车鸣号，这是从处减少噪声污染的有效措施．

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患者，男，30岁。被路人发现昏迷不醒送入医院。查体：血压110/80mmHg，心率60次/分，流涎，瞳孔针尖大小，口唇发绀，肌肉震颤，皮肤湿冷，双肺可闻较多湿啰音。应首先考虑的诊断是（）。

A.巴比妥类中毒

B.癫痫发作

C.氰化物中毒

D.硝酸盐中毒

E.有机磷杀虫药中毒

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一个因数扩大3倍，另一个因数缩小3倍，积不变。[ ]

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阅读理解。

A. It can protect your brain from being hurt in a bike accident
B. Go for bike rides with your kids so you can show them what safe riding looks like
C. Never wear ear-phones while biking
D. You have to choose good shoes
E. Check your child's bike to keep it safe and in good condition

     Bike Safety
     Bike riding is a great way to get exercise and fresh air and share time as a family. But before your kids
rush out and start biking, there's an important thing you need to consider -safety.
     Helmet (头盔)Basics
    Always wear a helmet when riding a bike, no matter where you are or how short the ride is. 1. ___.
Here's why: Many bike accidents mean brain damage or death for someone who does not wear one
while riding. To protect against brain injury, make sure your kids wear a correctly fitting helmet on every
ride.
     Safe Clothing
     What kids wear when riding a bike is also very important for safety. Bright-colored clothes will help
kids be visible on the road. Besides, 2. ____. Kids should never ride barefoot(赤脚)!
     Rules of the Road for Bike Riding
     Here are some must-know safety tips to teach kids:
    Stop at all stop signs and obey traffic lights just as cars do.
     Always stop and check for traffic in both directions when leaving a driveway.
     3. ____. It's important to hear everyone else on the road.
     Making Safety a Family Activity
     One of the best ways to help kids learn safe bike riding is to set a good example by following the
rules of the road yourself. 4. ______. It's also a great way to stay active as a family and spend valuable
time with your kids!

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要描述某医院近10年来住院病人人数的变化趋势，宜绘制（）

A.条图

B.圆图

C.直方图

D.线图

E.半对数线图

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