问题 多项选择题 案例分析题

患者女性,35岁。低热,血清ASO水平为300IU/ml,10天后血清ASO水平上升到1200IU/ml。

关于该病发病机制的特点下列叙述正确的是()

A.介导的抗体是IgM、IgG

B.介导的抗体包括IgE

C.补体、吞噬细胞和NK细胞参与

D.肥大细胞脱颗粒

E.有CD4Th1细胞大量增生

F.嗜酸性粒细胞浸润

答案

参考答案:A, G

解析:链球菌感染后肾小球肾炎为Ⅲ型超敏反应,因此介导的抗体是IgM、IgG,病变局部有中性粒细胞浸润。

阅读理解

B

The worst danger is a house on fire when people are asleep. Always be ready to leave through a window into the garden by making sure you can open it if necessary. If you should be on holiday in a tall building or hotel, make sure you know where the fire escape(太平梯) is. When you can’t find any way out, try to find pieces of cloth and make a rope to get out of a window to safety. If you smell burning in your home, get out right away. If you can’t breathe properly because of smoke on your way out, crawl(爬) on your hands and knees because smoke rises and the air will be cleaner near the floor. Smoke is a killer and more people die from breathing it in than actually being burned.

Fire in a cinema hall or public place often means people pushing to reach a door. Keep your head up with arms up in front of your chest. This protects your chest and gives you the best chance to breathe. Above all, don’t get frightened!

60. When a tall building is on fire, people______.

A.can leave by coming down the fire escape     B.should first check the room window

C.had better find a long rope                 D.must lie down on the floor at once

61. People can leave a burning house through a window if ______.

A.there is smoke in the room          B.  there is no other way out

C .they can’t breathe properly          D.  they want to put out the fire

62. There are several things to do to keep one safe. Which of the following is not talked about in the passage?

A.Leave the house right away when you smell something burning.

B.Raise your head and keep your chest from being hurt.

C.Get out of the house by crawling on the floor.

D.Rush out of the house, dressed in wet clothes.

63. Which of the following is not true?

A.In a fire, more deaths are caused by smoke.

B.The most important thing is not to be frightened in a fire.

C.When a public place is on fire, people usually push to leave.

D.Be ready to leave a burning house through a window if there is a garden down below.

单项选择题