在病例对照研究中,匹配过头可能导致() A.低估暴露因素的作用 B.高估暴露因素的作

题型:单项选择题 A1型题

问题:

在病例对照研究中,匹配过头可能导致()

A.低估暴露因素的作用

B.高估暴露因素的作用

C.有利于控制混杂

D.有利于研究更多的因素

E.对研究结果没有影响

考点:广西公共卫生住院医师规范化培训卫生统计学卫生统计学题库
题型:单项选择题 A1型题

简述操作技能形成的阶段。

题型:单项选择题 A1型题
Hope in my arms
Last year, I was invited to participate in a carnival for Tuesday’s Child, an organization that helps children with AIDS.
All the children that had gathered at one particular room could   36  a square on a piece of cloth. Later the squares would be sewn(缝) together to  37  a quilt. The quilt would be  38  to a man who had devoted his life to the  39  and would soon be   40 .
The kids were given paints in bright colors and asked to paint something that would make the quilt  41 . As I looked around at all the squares, I saw pink hearts, blue clouds, orange sunrises and red flowers. The pictures were all bright and  42 . All   43  one.
One boy was painting a heart, but it was dark and lifeless. It  44  the bright colors that his fellow artists had used.I asked why. He told me that he was very   45  and so was his mom. He said that his sickness was not ever going to get better and neither was his mom’s. He looked   46  into my eyes and said, “There is no hope in my life.”
I told him I was sorry and I could understand why he had made his heart a dark color. I told him that   47  we couldn’t make him better, we can give  48 , which can really help when you are feeling sad. I told him that if he would like, I would be   49  to give him one so he could see what I meant.  50 , he crawled into my lap. I thought my own heart would burst for this sweet little boy.
He sat there for a long time. Finally he  51  down to finish his coloring.
As I was getting ready to  52  home, I felt a tug (猛拽) on my jacket. Standing there was the little boy,  53 . He said, “My heart is changing  54 . It is getting brighter. I think those hugs really do  55 .”
On my way home I felt my own heart. It too had changed to a brighter color.
小题1:
A.findB.paintC.cutD.draw
小题2:
A.foldB.becomeC.spreadD.make
小题3:
A.presented B.soldC.lentD.thrown
小题4:
A.educationB.countryC.organizationD.neighborhood
小题5:
A.dyingB.comingC.visitingD.retiring
小题6:
A.beautifulB.strongC.newD.comfortable
小题7:
A.emptyB.puzzlingC.confusingD.inspiring
小题8:
A.withoutB.besidesC.exceptD.beside
小题9:
A.neededB.lackedC.containedD.showed
小题10:
A.curiousB.disappointedC.angryD.sick
小题11:
A.forwardB.stillC.straightD.even
小题12:
A.so thatB.as long asC.even thoughD.as though
小题13:
A.hugsB.smilesC.prizesD.lessons
小题14:
A.sorryB.happyC.eagerD.relaxed
小题15:
A.SuddenlyB.QuicklyC.UnwillinglyD.Slowly
小题16:
A.slowedB.jumpedC.slippedD.fell
小题17:
A.leaveB.stayC.headD.arrive
小题18:
A.smilingB.cryingC.dancingD.glaring
小题19:
A.shapeB.colorC.weightD.form
小题20:
A.fitB.hurtC.failD.work
题型:单项选择题 A1型题

关于剂型的正确使用,下列说法正确的是

A.泡腾片严禁直接服用或口含

B.舌下片含服时间一般控制在10min左右

C.舌下片含后10min内不宜吃东西或饮水

D.咀嚼片用于中和胃酸时,宜在餐后 1~2h服用

E.软膏和乳膏剂宜涂敷于口腔、眼结膜

题型:单项选择题 A1型题

新鲜洗净的河豚的______几乎不含毒素。

A.肌肉

B.皮肤

C.肝脏

D.眼睛

题型:单项选择题 A1型题

某装置用吹气式液位计测地下罐液位,若某一刻在最高液位时仍有气泡逸出,表示吹气量()。

A.偏大

B.合适

C.偏小

D.不确定

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