拔除下颌阻生第三磨牙时,错误的切开翻瓣术切口是() A.牙齿未完全萌出,远中切口的部

题型:单项选择题

问题:

拔除下颌阻生第三磨牙时,错误的切开翻瓣术切口是()

A.牙齿未完全萌出,远中切口的部位应在下颌支外斜线的舌侧

B.牙齿未完全萌出,远中切口的部位应在下颌支外斜线的颊侧

C.颊侧切口应从远中切口的近中末端向下,并与之呈45°角

D.远中切口不可过分偏向舌侧,以免损伤舌神经

E.颊侧切口不宜超过前庭沟底,以免引起术后颊侧肿胀

考点:广西口腔住院医师规范化培训口腔颌面外科学口腔颌面外科学题库
题型:单项选择题

某电子磅秤原理如图甲所示,主要部件是杠杆ABO,电流表A和压力传感器(相当于电阻值会随受到的压力大小发生变化的可变电阻),其中杠杆可绕O点转动,且力臂之比AO:BO=4:1,压力传感器的电阻值R随所受到的压力F的关系图像如图乙所示,秤盘与杠杆质量均忽略不计,电源电压18V,R0=60Ω,(取g=10N/kg)。求:

 (1)该秤的零起点(即秤盘上不放重物时)的刻度线应标在电流表刻度盘的多少mA处?

 (2)当电流表示数为60mA时,秤盘上放的物体的质量为多少kg?

题型:单项选择题

在机体的生长发育过程,下列描述错误的是()

A.机体的生长发育是不均等的过程

B.不同的组织器官依据自身的规律生长发育

C.机体生长,一般而言,在幼儿时期较旺盛

D.生长发育在不同的年龄段,表现出快速生长或缓慢生长的情况

E.机体组织器官生长曲线图是一致的

题型:单项选择题

Teachers need to be aware of the emotional, intellectual, and physical changes that young adults experience. And they also need to give serious (51) to how they can be best accommodate such changes. Growing bodies need movement and (52) , but not just in ways that emphasize competition. Because they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the (53) that comes from achieving success and knowing that their accomplishments are admired by others. However, the typical teenage lifestyle is already filled with so much competition that it would be (54) to plan activities in which there are more winners than losers, for example, publishing newsletters with many student-written book reviews, (55) student artwork, and sponsoring book discussion clubs. A variety of small clubs can provide multiple opportunities for leadership, as well as for practice in successful (56) dynamics. Making friends is extremely important to teenagers, and many shy students need the (57) of some kind of organization with a supportive adult (58) visible in the background.

In these activities, it is important to remember that the young teens have (59) attention spans. A variety of activities should be organized (60) participants can remain active as long as they want and then go on to something else without feeling guilty and without letting the other participants down.

58().

A.particularly 

B.barely 

C.definitely 

D.rarely

题型:单项选择题

将示油膏均匀的涂在尺上并浸入15-20℃的120#溶剂汽油中,其颜色发生变化的时间不应超过()。

A、5s

B、10s

C、15s

D、20s

题型:单项选择题

中间坡 intermediate grade

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