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问题 单项选择题 A3/A4型题

患者，女，32岁。下腹部有包块2年多，伴月经量增多，前来某医院就诊。门诊接诊医师检查，初诊为"子宫肌瘤"。入院后，进修医师按"子宫肌瘤"书写了病历。经治医师在没有做宫腔长度及B超等检查的情况下，完全相信了门诊的诊断，自行决定做子宫切除术。术前，未执行上级医师"再详细探宫腔"的指示；术中，发现子宫体较软时，助手提示"需排除妊娠可能"，术者仍未听取，在未行子宫穿刺的情况下，错误地将子宫及双侧卵巢全切。切开子宫，见一胎儿。该患者已生有一男一女，系绝育对象。术后，医务人员对是否向患者家属讲明实情，持赞成和反对两种意见。

若将事故实情告知患者家属，针对手术者应负的道德责任，最正确的说法是（）

A.违背"审慎"的医德要求，未作必要的认真的检查，造成医疗事故。

B.经验不足，对技术常规不熟悉，系医疗事故

C.虽错误切除子宫，但同时为患者做了需做的人流和绝育手术，功过参半

D.手术未造成其他伤害，患者应予谅解

E.门诊接诊医师、手术助手、上级医师均应负道德责任

答案

参考答案：A

单项选择题

关于可摘局部义齿修复后牙咬腮的方法，错误的是

A．加大后牙覆盖 

B．调磨过锐的余留牙尖 

C．适当升高平面 

D．加厚基托推开颊肌
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单项选择题

The sun today is a yellow dwarf star. It is fueled by thermonuclear reactions near its center that convert hydrogen to helium. The sun has existed in its present state for about 4 billion, 600 million years and is thousands of times larger than the Earth.
By studying other stars, astronomers can predict what the rest of the sun’s life will be like. About 5 billion years from now, the core of the sun will shrink and become hotter. The surface temperature will fail. The higher temperature of the center will increase the rate of thermonuclear reactions. The outer regions of the sun will expand approximately 35 million miles, about the distance to mercury, which is the closest planet to the sun. The sun will then be a red giant star. Temperatures on the earth will become too hot for life to exist.
Once the sun has used up its thermonuclear energy as a red giant, it will begin to shrink. After it shrinks to the size of the earth, it will become a white dwarf star. The sun may throw off huge amounts of gases in violent eruptions called nova explosions as it changes from a red giant to a white dwarf.
After billions of years as a white dwarf, the Sun will have used up all its fuel and will have lost its heat. Such a star is called a black dwarf. After the Sun has become a black dwarf, the earth will be dark and cold. If any atmosphere remains there, it will have frozen onto the earth’s surface.

When the sun becomes a red giant, what will conditions be like on Earth

A．Its atmosphere will freeze and become solid.
B．It will be enveloped in the expanding surface of the sun.
C．It will become too hot for life to exist.
D．It will be nearly destroyed by nova explosions.
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