孕期出现便秘，下列哪一项处理是不恰当的( )-最需题库

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1妊娠末期易出现仰卧位低血压的原因是( )
A.孕期血容量减少
B.孕期血管舒缩功能异常
C.增大的子宫压迫下腔静脉，使回心血量及心排出量减少
D.生理性贫血
E.低钙血症
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2关于孕期下肢水肿，下列哪一项描述是不恰当的( )
A.休息后可消退为正常现象
B.左侧卧位，休息时下肢抬高可缓解生理性下肢水肿
C.与增大的子宫压迫下腔静脉有关
D.休息后不缓解要考虑到妊娠期高血压疾病、妊娠合并肾脏疾病等
E.水肿明显时应服用利尿剂治疗
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3便秘是孕期的常见症状，其原因是( )
A.孕期活动量减少所致
B.孕期饮食结构的变化所致
C.孕期肠蠕动减弱，排空时间延长，水分被肠壁吸收
D.孕期肠道菌群改变所致
E.孕期经常需补充钙剂，服用钙片的副作用
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4美国食品和药物管理局根据药物对胎儿的致畸情况，将药物对胎儿的危害性等级分为( )
A.A、B、C、D、X5级
B.A、B、C、D4级
C.A、B、C、D、E5级
D.A、B、C、D、E、F、X7级
E.A、B、C、D、E、F、G7级
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5可能引起孕期母体贫血的主要营养因素有( )
A.维生素C不足
B.铁的吸收利用率低
C.维生素B12摄入不足
D.叶酸摄入不足
E.锌摄入不足
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6The advantages of routine early scanning of pregnancy are not( )
A.Confirmation of continuing pregnancy
B.Exclusion o fmultiple pregnancy
C.Accurate identification of gestational age
D.Recognition of major fetal anomalies
E.Identification of fetal sexuality
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7Which event is not appropriate inpregnancy( )
A.A diet high in fibre and fruit
B.Avoid any form of medication in any time
C.Sexual intercourse
D.Exercise and work may be continued
E.Use of iron and folic acid supplements
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8To screening for congenital abnormality through measurement of nuchal translu-cency(NT)，which stage is the most suitable( )
A.11 to 14 weeks
B.15 to 21 weeks
C.20 to 24 weeks
D.28 to 32 weeks
E.8 to 10 weeks
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9Through which method of determining gestational age is most reliable( )
A.Calculate from the size of natal in the second trimester
B.Calculate from the date of the last menstrual period
C.Measurement of uterine size
D.Measure crown-rump length in the early stage of pregnancy
E.Calculate from the time of the earliest complaint inpregnancy
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10If the fetal biophysical assessment suggested the score is 4，which treatment is appropriate( )
A.Repeat in 1 week
B.Repeat twice weekly
C.Repeat in 24 hours
D.If fetal pulmonary maturity assured and cervix favourable，repeat in 24 hours
E.If persistent score of 4 to 6，deliver if fetal pulmonary maturity certain
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