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【简答题】

Everyone needs to sleep. If we don’t sleep enough, we often feel tired and irritable (烦躁的,易怒的). It seems there are two purposes of sleep: active sleep and passive sleep. The passive sleep gives our body the rest that is needed, and prepares us for active sleep, in which dreaming occurs. In passive sleep, the body is at rest. The heat slows down. The body processes become very slow. We move very little. And the brain becomes very inactive. If a person continues to sleep, she or he enters a new stage, a more active stage. The body goes through several changes: the brain temperature rises, the amount of blood in brain increases, the body becomes very still and the brain becomes active, the eyes begin to move rapidly, and the person is dreaming.
Throughout the night, people alternate between passive and active sleep. During eight hours of sleep, people dream for a total of one and a half hours on the average.
Many people say that they don’t dream, or that they rarely dream. Doctors have studied the sleep cycles and have found that everyone dreams -- in fact, that everyone needs to dream in order to rest his or her mind.
There are (46) purposes of sleep: active sleep and passive sleep.
In (47) sleep, the body processes become very slow.
In (48) sleep, dreaming occurs.
In active stage, (49) becomes active.
People need active sleep to help them (50) .

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参考答案:
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【单选题】患儿腹泻3天,就诊时烦躁不安,皮肤干燥,弹性下降,尿量明显减少()

A.
失水量为150~180ml/kg
B.
失水量为120~150ml/kg
C.
失水量为100~120ml/kg
D.
失水量为50~100ml/kg
E.
失水量为50ml/kg
相关题目:
【单选题】患儿腹泻3天,就诊时烦躁不安,皮肤干燥,弹性下降,尿量明显减少()
A.
失水量为150~180ml/kg
B.
失水量为120~150ml/kg
C.
失水量为100~120ml/kg
D.
失水量为50~100ml/kg
E.
失水量为50ml/kg
【单选题】当酒精中毒患者出现烦躁不安、过度兴奋时,应选用的镇静药物是
A.
水合氯醛
B.
吗啡
C.
苯二氮革类
D.
苯巴比妥类
E.
小剂量地西泮
【单选题】急性左心衰时患者烦躁最好选用()
A.
哌替啶
B.
氯丙嗪
C.
安定
D.
异丙嗪
E.
吗啡
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