问题 单项选择题

患者,男性,20岁,3天前开摩托车时发生车祸,右额部撞到车把上,致右侧额部皮肤裂伤流血,右眼红痛、视力下降。眼部检查:Vod0.1,加针孔镜不能矫正视力,Vos1.5。右眼睑红肿、皮下瘀血,结膜混合充血(++),角膜透明,前房轴深约3CT、房水闪辉(一),瞳孔圆形、直径5mm、直接对光反射减弱、间接对光反射正常,晶状体透明,视盘色淡红、边界清、C/D0.3,黄斑中心凹反光暗。左眼眼部检查未见异常。对明确诊断最有意义的辅助检查是()

A.UBM

B.OCT

C.VEP

D.ERG

E.EOG

答案

参考答案:C

解析:本题考查考生对各种眼科辅助检奎的临床应用的了解。UBM利用高频超声波提供眼前节的断面图像,多用于了解前房角、睫状体的结构。OCT、利用光对视网膜组织进行横截面成像,显示视网膜各层的病变。VEP是大脑枕叶视皮质对视觉刺激(闪光或图形刺激)发生反应的一簇电信号,在视路病变的诊断、病情严重程度的估计、预后的评价等方面有重要的应用价值。ERG反映视网漠内不同细胞层次的功能改变。EOG反映视网膜色素上皮和光感觉器复合体的功能。该患者眼部检查提示,伤眼主要阳性体征是视力下降、瞳孔直接对光反射减弱,结合外伤史,最可能的诊断是视神经挫伤,因此本题的最佳答案是C。

多项选择题
填空题

You might think that hamburgers were invented in the United States, but that is not totally true. These (1) , or patties, actually came from Germany in the middle of the nineteenth century. They were brought to the United States by (2) who came from the city of Hamburg. That is why (3) was "hamburger steak".

However, people in other places (4) that they invented the hamburger. Perhaps we’ll never have a (5) . But there’s no question that the hamburger was a (6) . Why Perhaps because at that time, industry was growing and a kind of (7) food was needed for workers.

The hamburger became even more popular (8) when the first chain of fast food restaurants was started. This chain was called "White Castle". It served tiny hamburgers that were sold for only (9) . Then, in the 1930s there came the (10) where customers were served in their cars by waiters in uniform. And the hamburger was one of the most (11) .

By now, The hamburger was ready to (12) the world. And this happened with McDonald’s, which was actually a (13) at first. But by the early 1950s the hot dog was replaced by the hamburger. McDonald’s and other fast food restaurants (14) around the world throughout the rest of the twentieth century. McDonald’s alone has (15) for everyone person in the world.

The importance of the hamburger to (16) remains significant. About (17) of all sandwiches that are eaten are hamburgers. According to some sources, (18) of current workers in the United States had their first job at McDonald’s. But the face of the hamburger is changing (19) . Nowadays it is possible to buy a chicken burger, a turkey burger, (20) , or veggie burger.

19()