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问题 单项选择题

21-三体综合征的主要临床特征为()

A．低出生体重+体格发育迟缓

B．多发畸形+宫内发育迟缓

C．宫内发育迟缓+皮肤纹理异常

D．多发畸形+皮肤纹理异常

E．以上都不是

答案

参考答案：E

单项选择题

A 20-year-old woman has just been diagnosed with Crohn's disease. She has lost 10 lb (4.5kg) and has cramps and occasional diarrhea. The nurse should include which of the following when doing a nutritional assessment

A．Let the client eat as desired during hospitalization.

B．Weigh the client daily.

C．Ask the client to list what she eats during a typical day.

D．Place the client on I＆O status and draw blood for electrolyte levels.
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单项选择题

下列哪种RNA的剪切需要剪切体参与（）。

A.真核细胞mRNA

B.线粒体mRNA

C.rRNA

D.tRNA
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