一个生长发育高峰前期的儿童,下颌骨发育不足后缩,上颌发育正常,对该患者应采用下列哪种类型的矫治力()
A.轻度力
B.肌力
C.颌内力
D.正畸力
E.机械力
参考答案:B
A client is experiencing an early postpartum hemorrhage. Which action is inappropriate
A. Inserting an indwelIing urinary catheter.B. Fundal massage.C. Administration of oxytoxics.D. Pad count.
在Windows中文件(夹)的属性有()几种。
A.只读
B.归档
C.隐藏
D.系统