在处理急性脓胸时,下列何种原因不会导致慢性脓胸()
A.引流太迟
B.引流管拔除迟
C.引流管太细
D.引流位置不当
E.插入深度不适
参考答案:B
The teacher didn't begin the class _____ all the students _____. [ ]
A. until, stopped to talk
B. before, stopped to talk
C. when, stopped talking
D. until, stopped talking
测量骶耻外径的标志点是指()
A.耻骨联合上缘至第五腰椎棘突
B.耻骨联合中点至髂后上棘连线中点上1.5cm
C.耻骨联合中点至米氏菱形窝上角下1.5cm
D.耻骨联合上缘中点至米氏菱形窝上角
E.耻骨联合上缘中点至髂耻连线下3cm