患儿,7岁,近1周来,右下后牙食物嵌塞。检查:右下第一乳磨牙远中邻面深龋洞。探敏感

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问题:

患儿,7岁,近1周来,右下后牙食物嵌塞。检查:右下第一乳磨牙远中邻面深龋洞。探敏感,叩(-),无松动,龈正常。右下第二乳磨牙大面积龋坏,探及髓腔,探痛(-),叩(+)。颊侧瘘管溢脓,Ⅰ度松动,左下第一、二乳磨牙残冠,Ⅰ度松动,叩(+),龈红肿。双侧六龄牙萌出2/3。X线片示:右下第一乳磨牙远中邻面深龋,近髓,根分歧处骨密度较正常偏低,未见根吸收及根尖周病变,恒牙胚硬骨板连续。右下第二乳磨牙龋坏达髓腔,根尖周及根分歧处有弥散影,恒牙胚硬骨板消失。左下第一、二乳磨牙龋坏达髓腔,根尖周大面积阴影,牙根部分吸收,恒牙胚硬骨板消失。

如果左下第一、二乳磨牙,右下第二乳磨牙拔除后怎样管理间隙,下列哪种处理较好()

A.功能保持器

B.下颌舌弓保持器

C.暂时不做保持器,观察恒牙萌出情况

D.全冠丝圈保持器

E.双侧六龄牙丝圈保持器

考点:口腔五官科主治医师口腔内科专业知识口腔内科学专业知识
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直接色素沉着,即紫外线照射后立即出现,机理可能有()

A.黑色素增多

B.黑色素减少

C.黑色素小体的形成

D.黑色素小体的增多

E.黑色素小体在角质细胞中重新分配

题型:单项选择题

— Do you think yesterday’s math problem was difficult?

— Yes. I could           work it out.

A.hardly

B.easily

C.finally

D.nearly

题型:单项选择题

Ⅲ型食管闭锁

A.X线腹片见肠壁串珠状透亮区
B.X线腹片见上腹部双泡征
C.X线腹片见上腹部三泡征
D.X线腹片见一大液平
E.X线腹片见腹腔空白伴双泡征

题型:单项选择题

碎石或卵石中针状和片状颗粒的总含量计算,精确至()

A、1%

B、0.1%

C、0.01%

D、0.2%

题型:单项选择题


Do you have trouble remembering people’s names
Then maybe this is for you. When you worry about re-
membering people’s names and rack your mind when
you run down someone whose name you can’t remem- 62.______
ber, you’re probably only making matters better. What 63. ______
happens when you do that, is that your energy is diver-
ted to nervous energy that actually makes it more diffi-
cult with recall information. 64. ______
You may also have some bad habits that contribute
to your problem. Do you feel defensive when you meet
new people Are you absent-minded when listen to peo- 65. ______
ple telling you their names And do you try to remember66. ______
the names of every people you meet through the course
of the day and end up forgetting important ones while
remembering relevant ones Any of these factors could 67. ______
be interrupting your mind’s natural ability to retain
names.
What should you do then, in those occasions when68. ______
you meet new people Don’t bother repeating the name
over in your head. That only leads to anxiety. The best
thing to do is to enforce your memory by using a variety 69. ______
of senses to aid in memorization. The best thing to do is
to write the person’s name down after you have a chance
to be by yourself. The visual image of the name written
on paper combined with the memory of the person’s face
and the action of writing the name can reinforce the
partial pathways that create mental retention: The addi- 70. ______
tional sensory information will make it easier to recall
names and you’ll be more anxious when you meet people. 71. ______

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