问题 单项选择题 B型题

外伤时,引起自身免疫性交感性眼炎()

A.隐蔽抗原的释放

B.自身成分改变

C.与抗体特异结合

D.共同抗原引发的交叉反应

E.淋巴细胞异常增殖

答案

参考答案:A

解析:1.隐蔽抗原(眼部特异抗原)的释放与自身抗体作用,产生交感性眼炎。2.变性IgG刺激机体产生类风湿因子,为自身成分改变。3.共同抗原引发的交叉反应是柯萨奇病毒感染引起糖尿病的机制。

完形填空

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Doctors say anger can be an extremely damaging emotion, unless you learn how to deal with it. They warn that anger can lead to heart disease, stomach problems, headaches, emotional problems and possibly cancer.

___小题1:___ Some people express anger openly in a calm reasonable way. Others burst with anger, and scream and yell. But other people keep their anger inside. They can not or will not express it. This is called repressing anger.

For years many doctors thought that repressing anger was more dangerous to a person’s health than expressing it. They said that when a person is angry, the brain releases the same hormones (荷尔蒙). They speed the heart rate, raise blood pressure, or sugar into the blood, etc. ___小题2:___

Some doctors say that both repressing and expressing anger can be dangerous. They believe that those who express anger violently may be more likely to develop heart disease, and they believe that those who keep anger inside may face a greater danger of high blood pressure.

___小题3:___ They say the first step is to admit that you are angry and to recognize the real cause of the anger, then decide if the cause is serious enough to get angry about. If it is, they say, “___小题4:___ Wait until your anger has cooled down and you are able to express yourself calmly and reasonably.”

Doctors say that a good way to deal with anger is to find humor in the situation that has made you angry. ___小题5:___

A.In general the person feels excited and ready to act

B.They said that laughter is much healthier than anger.

C.Expressing anger violently is more harmful than repressing it

D.Anger may cause you a cancer.E. Do not express your anger while angry.

F. Anger is a normal emotion that we all feel from time to time.

G. Doctors say the solution is learning how to deal with anger.

单项选择题