静脉胆道造影术胆管显影最清晰的时间为A.30min B.60min C.90min

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问题:

静脉胆道造影术胆管显影最清晰的时间为

A.30min

B.60min

C.90min

D.120min

E.150min

考点:卫生资格考试(中初级)外科主治医师2009外科主治医师考试历年真题汇总
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海滨浴场的滑梯从顶端到入水处长约12 m,一人由滑梯顶端做初速度为零的匀加速直线运动,开始运动后第一秒通过的位移是0. 75 m,则人的加速度大小是_______,从顶端开始到入水所需要的时间是_______,人入水时的速度大小是________,从顶端开始到人人水的平均速度大小是_________.

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日本地震海啸发生后,中国国际救援队积极救援,并向日本提供汽油、柴油。这体现了[ ]

①中国是世界强国  

②中国是一个负责任的大国

③中 * * 济困扶危的传统美德

④中 * * 自强不息的民族精神  

A.①②    

B.③④    

C.②③    

D.①④

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Today, we’ll talk about what other effects watching TV might produce on children. Children should be (1) a lot of television, many experts and parents agree, but there is at least one circumstance when it might be beneficial: (2) . A recent study conducted by Italian researchers found that children (3) immediately preceding and during blood tests experienced less pain than children whose mothers (4) during the procedure, or children whose mothers were present but (5) .
The research, led by Carlo Brown, MD, at the University of Siena, is published in the Archives of Disease in Childhood. (6) the study. None received any type of anesthesia; the children and their mothers (7) . Both the group whose mothers attempted to distract them from the blood tests and those whose mothers simply observed reported (8) than the group who watched cartoons. For that group, the levels of pain were less and the children were better able to (9) .
One of the possible explanations is that children might have (10) during the procedures, exacerbating their perception of pain. "The higher pain level reported by children during (11) shows the difficulty mothers have in interacting positively (12) in their children’s life," the authors write.
However, they stressed that (13) still provided benefits, noting that the children would (14) during the procedures. "Indeed, children state that having their parent present (15) when in pain," say the authors.
Another possibility offered for consideration is the notion that the (16) might release pain-quelling endorphins. Endorphins, (17) produced by the pituitary gland, resemble opiates in their ability to produce analgesia and a sense of well-being. In other words, they might (18) .
In any case, the study results suggest that health workers should (19) to watch television during painful procedures (20) .

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什么是产品分布?

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过失违约的违约责任要比故意违约的违约责任轻。

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