某孕妇骨盆入口平面轻度狭窄,可疑头盆不称可以试产,停止试产的指征是
A. 试产2~4小时,胎头未入盆
B. 试产6~8小时,胎头仍未入盆
C. 试产2~4小时胎头仍未入盆,或胎儿窘迫
D. 试产2~4小时,胎头仍未入盆
E. 试产6~8小时,胎头仍未入盆,并伴胎儿窘迫
中骨盆及骨盆出口平面狭窄是指坐骨棘间径小于10cm,坐骨结节间径小于8cm,耻骨弓角度小于
A. 60°
B. 70°
C. 80°
D. 90°
E. 100°
软产道异常中的阴道异常包括阴道横膈、阴道纵隔、阴道狭窄和
A. 阴道尖锐湿疣
B. 霉菌性阴道炎
C. 滴虫性阴道炎
D. 细菌性阴道炎阴道裂伤
E. 阴道裂伤
All of the following are basic objectives of a speech introduction EXCEPT __________.
A. establishing credibility and goodwill
B. supporting your main points
C. revealing the topic of the speech
D. previewing the body of the speech