正常成年人,二尖瓣口面积为4~5cm2,血流在舒张期和右心房通过二尖瓣的口流入左心室

题型:单项选择题

问题:

正常成年人,二尖瓣口面积为4~5cm2,血流在舒张期和右心房通过二尖瓣的口流入左心室,当风湿性二尖瓣狭窄病变时,在何种病理情况下最可能产生急性肺水肿

A.瓣口面积<4cm2
B.瓣口面积<3cm2
C.瓣口面积<2cm2
D.瓣口面积<1.5cm2
E.瓣口面积缩小到1cm2以下时

考点:心血管外科(医学高级)心血管外科
题型:单项选择题

简述教师专业化发展的内涵与途径。

题型:单项选择题
Mr. White is a member of his office. He’s       and can easily deal with all kinds of matters. So he’s always     more than his workmates. Of course he’s often      and has no time to do the housework. His wife         him well and does all at home.
     ! Their daughter was hurt in a traffic accident last month and had to be     . Now Mrs. White has to look after her there         she can’t go home. Mr. White often eats something in the restaurant. As he         did some cleaning, the rooms were all disorderly(凌乱不堪的).
Yesterday morning, before Mr. White got up, the telephone       . He sat up to answer it. His friend told him to        an important telephone number down. But he could find        a piece of paper. He found there was much dust(灰尘) on the table and wrote the number on it. But soon he        it and went to work. Two hours later        came back and looked for a sweater for her daughter. Her husband came in while she was         the table. He couldn’t         the number on the table and called out angrily, “Who let you clean the table?”
小题1:
A.importantB.strongC.goodD.able
小题2:
A.helpedB.thoughtC.paidD.asked
小题3:
A.busyB.quietC.lazyD.happy
小题4:
A.seesB.knowsC.missesD.takes care of
小题5:
A.WellB.OnceC.What’s moreD.Bad luck
小题6:
A.in hospitalB.outsideC.in bedD.in time
小题7:
A.butB.orC.whileD.and
小题8:
A.notB.neverC.almostD.often
小题9:
A.shoutedB.spokeC.rangD.called
小题10:
A.writeB.rememberC.understandD.use
小题11:
A.either a pen orB.neither a pen norC.both a pen andD.not only a pen but
小题12:
A.forgotB.readC.tookD.threw
小题13:
A.heB.his friendC.his wifeD.his daughter
小题14:
A.brushingB.walking inC.leavingD.cleaning
小题15:
A.findB.listen toC.look atD.write
题型:单项选择题

在调节托盘天平时,如果发现指针偏向右边,说明天平横梁的______侧下沉,应将横梁上的平衡螺母向_____移动。(填“左”或“右”)

题型:单项选择题

具有发达的血液循环和神经系统、肠道很短,雄性动物有一块阴茎骨的动物是()

A、兔

B、狗

C、猫

题型:单项选择题

为了展示14~17世纪欧洲文明的重大成果,玛丽同学设计了《十日谈》、《蒙娜丽莎》、《哈姆雷特》三张卡片,你认为还应该补充下列哪一张卡片()

A.《圣经》

B.《大卫》

C.《九十五条论纲》

D.《论法的精神》

更多题库