极少引起中枢兴奋症状的是().
A.硫酸阿托品
B.东莨菪碱
C.山莨菪碱
D.丁溴东莨菪碱
E.樟柳碱
参考答案:C
The sun is shining brightly, ________everything around us________more beautiful.
A.to make; looked
B.making; look
C.and making; looking
D.making; looked
二十六岁初产妇,妊娠40周,规律宫缩8小时入院。查:髂棘间径25cm,骶耻外径20cm,坐骨棘间径9.5cm,坐骨结节间径7.5cm。枕右前位,胎心134次/分,肛查宫口开大4cm,胎头0。3小时后产妇呼叫腹痛难忍,检查宫缩1~2分钟1次,持续45秒,胎心102次/分,子宫下段压痛明显。肛查宫口开大5cm,胎头0。此时产程受阻的原因主要是()
A.骨盆入口狭窄
B.扁平骨盆
C.中骨盆狭窄
D.骨盆出口狭窄
E.漏斗骨盆