问题 问答题 简答题

试述有机磷农药中毒时的诊断要点和治疗原则。

答案

参考答案:

有机磷农药中毒的诊断要点:

(1)有吞服或接触有机磷农药史。

(2)呕吐物或呼出气带有蒜臭味。

(3)有瞳孔缩小、大汗淋漓、腺体分泌增多、肌纤维颤动、意识障碍等表现。

(4)胆碱酯酶活性降低。

有机磷农药中毒的治疗原则:

(1)迅速清除毒物:包括皮肤、毛发的清洗,洗胃,导泻等。

(2)胆碱酯酶复活剂应用:及早、足量、反复应用。

(3)阿托品应用:注意达到阿托品化的剂量个体差异,并与阿托品中毒鉴别。

(4)对症治疗:对症治疗重点是密切观察监护心肺功能和阿托品治疗后反应,适时纠正呼吸衰竭。

阅读理解

Many of us don’t pay much attention to the importance of eye care. It is said that if you take care of your body, then you can surely be healthy. That is why our eyes should be given a lot of care. Natural eye care should be put in a number one place.

There are several causes leading to poor eyesight like not enough food, genes (基因) and aging (老化). Televisions, computers and reading are also the causes of having poor eyesight. If you happen to work in front of the computer, it is best to take a break every once in a while. Something dirty can cause redness and they will make you feel uncomfortable. It is bad for your eyes, too. If this happens, the best way is to clean your eyes by using cold water. You must also try your best to protect your eyes from harmful things. For example, sunglasses are not just for fashion but they can also serve as a great way to protect your eyesight form UV rays.

Eating healthy foods will do good to your eyesight. Remember that vitamins A, C and E are good for eyes. Try to eat food groups that have these vitamins. And you should do eye exercises because exercise protects your eyesight, too. If a person exercises regularly (定期地) and eats the right kind of food, his eyes will stay in good condition for a long time.

All above are natural ways of eye care that help us keep healthy eyes. Being happy all the time can be helpful to a person’s eyesight, too. In a world, eye care is very important, no matter how old a person is.

小题1:_____ is the most important way to protect our eyes.

A.Natural eye care

B.Taking medicine

C.Seeing the doctor

D.Being happy all the time小题2:All the following causes can lead to bad eyesight except _______.

A.age

B.height

C.reading

D.computers小题3: What should you do if you have to work in front of the computer?

A.Eat healthy foods.

B.Clean the eye by using cold water.

C.Wear a pair of sunglasses.

D.Have a rest after working for a while.小题4:What do the underlined words “UV rays”mean?

A.沙尘

B.闪电

C.紫外线

D.超声波小题5: Which is the best title of the passage?

A.Ways of Eye Care

B.Ways of Eye Exercises

C.Ways of Being Happy

D.Ways of Being Healthy

判断题