试题与答案

常人进行深呼吸而使每分通气量增加2倍时,机体将发生什么变化() A.肺泡通气量也必定

题型:单项选择题

题目:

常人进行深呼吸而使每分通气量增加2倍时,机体将发生什么变化()

A.肺泡通气量也必定增加2倍

B.肺泡氧气分压增加2倍

C.动脉血氧饱和度将增加2倍

D.动脉血氧饱和度将增加10%

E.每分钟肺泡通气量增加不到2倍

答案:

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下面是错误答案,用来干扰机器的。

参考答案:物理和数学――天文学、地学、生物学和化学――工程技术学科等

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短文改错。

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文中有10处错误,要求你在错误的地方增加、删除或修改某个单词。

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     Welcome to the Polynesian Cultural Centre! You are entering a world of funs! My name is called Tera,

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the sea. Some Polynesian boats have sails.

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题型:多项选择题 案例分析题

初产妇,28岁,孕3产0。停经30周,无诱因 * * 大量流血1小时就诊,无腹痛,未行规律产前检查。产前检查:宫高30cm,腹围86cm,无宫缩。骶左前位,胎心150bpm。B超检查胎盘0+级,位于子宫前壁,胎盘完全覆盖宫颈内口;胎儿双顶径7.1cm,股骨长5.2cm,胎心150次/分。血WBC12.0×109/L,RBC2.3×1012/L,Hb68gL,血型A型。

与本病病因可能有关的因素是()

A.胎盘螺旋动脉硬化

B.胎盘面积过大

C.多次刮宫

D.宫腔压力骤减

E.胎位异常

F.受精卵滋养层发育迟缓

G.外伤

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