The best option for delivery if the head is arrested at the pelvic brim in transverse position in a viable fetus is

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• 1In a breech presentation，if a fetus maintains an attitude of universal flexion with the thighs flexed at the hips and legs at the knee，it is known as

  A.complete breech

  B.incomplete breech

  C.frank breech

  D.extended breech

  E.foot presentation

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• 2The choice of treatment in a live fetus with mentoposterior position is

  A.rotation into mentoanterior

  B.rotation to occipitoanterior

  C.cesarean section

  D.forceps delivery

  E.ventouse delivery

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• 3Factors that hinder the forward rotation of an occipitoposterior position include all except

  A.android pelvis

  B.oxytocin augmentation

  C.poor pelvic muscle tone

  D.prematu rerupture of membranes

  E.myoma of uterus

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• 4In majority of cases，the occipitoposterior positions at the onset of labour

  A.spontaneously rotate anteriorly

  B.become direct occipitoposterior

  C.become occipitotransverse

  D.remain as occipitoposterior

  E.uncertainty

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• 5Occipitoposterior position is most commonly seen in the following type of pelvis

  A.gynecoid

  B.anthropoid

  C.android

  D.platypelloid

  E.osteomalacic

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• 6初产妇，30岁，妊娠40周，临产10小时，宫缩15〜25秒/5〜10分，不规则，宫口2cm，胎膜已破。正确的诊断是

  A.宫缩乏力

  B.潜伏期延长

  C.胎膜早破

  D.活跃期停滞

  E.头盆不称

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• 7初产妇，25岁，足月妊娠，临产16小时。产科检查:宫缩30秒/5分，规则，宫口开大1.5cm，先露头，S—2，胎膜已破，羊水I°。正确的诊断是

  A.宫缩乏力

  B.潜伏期延长

  C.活跃期停滞

  D.胎膜早破

  E.胎儿窘迫

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• 8初产妇，足月妊娠，临产10小时。产科检查:胎心135次/分，宫口开大4cm，ROA。2小时后再次肛诊宫口扩张无进展。正确的诊断是

  A.潜伏期延长

  B.活跃期延长

  C.活跃期停滞

  D.第二产程延长

  E.第二产程停滞

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• 9初产妇，足月妊娠，临产14小时，阴道流液2小时。产科检查:宫缩20秒/6〜7分，规则，弱，胎心130次/分，胎膜已破，羊水清，先露头，S—1，宫口开大2cm。骨盆内测量:骶耻内径11.5cm，坐骨棘不凸，切迹大于2横指，坐骨结节间径9cm，耻骨弓角度大于90°，估计胎儿体重3500g。正确的处理是

  A.继续观察产程进展

  B.小剂量缩宫素静脉滴注

  C.哌替啶肌肉注射，使产妇休息

  D.剖宫产

  E.补充能量

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• 10初产妇，足月妊娠，临产8小时，一夜未眠，自觉腹痛剧烈，要求剖宫产。产科检查:宫缩不强，但间歇期不能完全放松，胎心150次/分。正确的处理是

  A.小剂量缩宫素静脉滴注，增强宫缩

  B.人工破膜

  C.给予镇静剂休息

  D.剖宫产

  E.导乐分娩

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