局限型侵袭性牙周炎的特点()
A.好发于青春期前后,女性多于男性
B.早期即出现牙齿松动和移位
C.好发于第一恒磨牙和上下切牙
D.家族聚集性
E.以上都有
参考答案:E
--- (on the phone)Hello, ______ Well, I can’t find her telephone number now. Can you get back to me in fifteen minutes?
--- All right, thanks!Bye-bye.
A.wait a minute.
B.hold on.
C.what for?
D.are you there?
术后采取的卧位中哪项不妥()。
A.术后全麻病人去枕平卧,头向一侧
B.颈部术后取仰卧位
C.胸、腹术后取30°~45°半卧位
D.脊柱术后一般平卧于硬板床
E.颅脑术后可取头高斜坡卧位