牙拔除过程中可使用旋转力的牙齿是()。
A.上颌第三磨牙
B.下颌中切牙
C.上颌中切牙
D.下颌第三磨牙
E.上颌双尖牙
参考答案:C
The students were_______to learn that the new teaching methodat the meeting would be carried out.
A.pleased; put forward
B.pleasing; putting forward
C.pleased; putting forward
D.pleasing; put forward
患者25岁,初产妇。妊娠39周,规律宫缩10小时,连续观察2小时,宫口由6cm开大至7cm,胎头+1,胎膜未破,胎心140次/分。本例正确的处置应是().
A.严密观察产程进程
B.肌注哌替啶
C.静脉滴注缩宫素
D.立即行人工破膜
E.立即行剖宫产术