关于口腔的描述正确的是() A.顶全为硬腭 B.两侧为颊 C.下为舌 D.前为上、下

题型:单项选择题

问题:

关于口腔的描述正确的是()

A.顶全为硬腭

B.两侧为颊

C.下为舌

D.前为上、下牙

E.后界为咽

考点:老年医学(医学高级)老年医学综合练习老年医学综合练习题库
题型:单项选择题

已知一个几何体它的主视图和左视图上都是一个长为4,宽为2的矩形,俯视图是一个半径为2的圆,则此几何体的表面积为(  )

A.8π

B.12π

C.16π

D.32π

题型:单项选择题

根据图像显示原理的不同,图形可以分为()和()。

题型:单项选择题

病历摘要:患者男性,70岁。因阵发性腹痛、恶心呕吐两天急诊入院。体检:体温38℃,脉搏100次/分,呼吸28次/分,血压15/10kPa,痛苦面容,低声呻吟,强迫体位。腹部稍膨隆,可见肠型及蠕动波,肠鸣音亢进,可闻及气过水声,腹肌稍紧张,右侧腹部触及有压痛包块。X线检查可见右侧肠腔充气并有2-3个液平面。

提示:术后初期12小时内,胃肠减压的引流瓶内空虚。 提问:引流瓶内空虚的原因可能是()。

A.胃管插入过深或过浅

B.负压装置接合不严

C.胃管头端开口多于6个

D.胃管折迭或堵塞

E.负压瓶容量少于1000ml

F.肠麻痹致胃肠分泌抑制

G.卧位不当

H.负压管高于床平面

题型:单项选择题

慢性肺心病急性发作期可出现()

A.肺性脑病

B.酸碱失调

C.上消化道出血

D.弥漫性血管内凝血

E.右心力衰竭

题型:单项选择题


Directions: There are 10 blanks in the following passage. For each numbered blank, there are 4 choices marked A, B, C and D.

Historians tend to tell the same joke when they are describing history education in America. It’s the one (51) the teacher standing in the schoolroom door (52) goodbye to students for the summer and calling after them. "By the way, we won World War II."
The problem with the joke, of course, is that it’s not funny. The recent surveys on (53) illiteracy are beginning to numb. nearly one third of American 17-year-olds cannot even (54) which countries the United States fought against in that war. One third have no idea when the Declaration of Independence was (55) . One third thought Columbus reached the New World after 1750. Two thirds cannot correctly (56) the Civil War between 1850 and 1900. Even when they get the answers right, some are just guessing.
Unlike math or science, ignorance of history cannot be (57) connected to toss of international competitiveness. But it does affect our future (58) a democratic nation and as individuals.
The good news is that there is growing agreement on what is wrong with the (59) of history and what needs to be done to fix it. The steps are tentative (尝试性的) (60) yet to be felt in most classrooms.

A.shaking

B.waving

C.nodding

D.speaking

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