【单选题】【消耗次数:1】
肺表面活性物质的生理作用是
降低肺泡表面张力
降低肺的顺应性
增强肺的回缩力
增加吸气阻力,增加吸气做功
促进肺泡和肺间质组织液的生成
参考答案:
复制
纠错
相关题目
【单选题】 肺表面活性物质的生理作用是
①  降低肺泡表面张力
②  降低肺的顺应性
③  增强肺的回缩力
④  增加吸气阻力,增加吸气做功
⑤  促进肺泡和肺间质组织液的生成
【单选题】 肺泡内液-气界面表面张力形成的回缩力约占总肺回缩力的
①  1/2
②  1/3
③  3/4
④  2/3
⑤  4/5
【单选题】 肺泡内液-气界面表面张力形成的回缩力约占总肺回缩力的
①  1/2
②  1/3
③  3/4
④  2/3
⑤  4/5
【单选题】 肺表面活性物质的主要作用是:
①  保护肺泡上皮细胞
②  增加肺弹性阻力
③  降低气道阻力
④  降低肺泡表面张力
⑤  降低呼吸膜通透性
【判断题】 肺泡表面活性物质增多时使肺泡回缩力增加。
①  正确
②  错误
【判断题】 肺气肿时,肺组织弹性降低可导致吸气时气流阻力显著增加。
①  正确
②  错误
【单选题】 有关肺泡表面活性物质生理作用的叙述正确的是( )
①  增加肺泡表面张力
②  减低肺的顺应性
③  阻止血管内水分滤入肺泡
④  增强肺的回缩力
【单选题】 有关肺泡表面活性物质生理作用的叙述正确的是( )
①  增加肺泡表面张力
②  减低肺的顺应性
③  阻止血管内水分滤入肺泡
④  增强肺的回缩力
【单选题】 有关肺泡表面活性物质生理作用的叙述,下列哪一项是正确的( )
①  增加肺泡表面张力
②  降低肺的顺应性
③  增强肺的回缩力
④  阻止血管内水分滤入肺泡
【单选题】 在人平静呼吸时,肺扩张反射不参与呼吸调节。在肺充血、肺水肿等病理情况下,由于肺顺应性降低,使肺牵张感受器发放冲动增加而引起该反射,使得:
①  肺通气量增加
②  气体交换增多
③  肺泡无效腔减少
④  呼吸变浅、变快
⑤  呼吸加深、变慢
随机题目
【单选题】 __Why didn’t John call me ? __Oh, his cell-phone ran out of power, otherwise he______ you.
①  had called
②  would have called
③  called
④  would call
【单选题】 I enjoyed the movie very much. I wish I______ the book from which it was made.
①  have read
②  had read
③  should have read
④  are reading
【单选题】 Silveristhebestconductorofelectricity,copper_______itclosely.
①  followed
②  following
③  to follow
④  being followed
【单选题】 But for the party, the old man______of hunger fifteen years ago.
①  must die
②  must have died
③  would die
④  would have died
【单选题】 _____withthesizeofthewholeearth,thehighestmountaindoesnotseemhighatall.
①  When compared
②  Compare
③  While comparing
④  Comparing
【单选题】 Thats pretty good that you get up and go running, but I ______ like running early in the morning since I’ve got to prepare breakfast for my family.
①  have a good time
②  have a hard time
③  have time
④  have much time
【单选题】 It has been raining all day, but even though it______, we______there by tomorrow.
①  didnt rain, couldn’t get
②  hadn’t rained, couldn’t get
③  didn’t rain, can’t get
④  hadn’t rained, can’t get
【单选题】 The judge insisted that the woman______ innocent and that she______at once.
①  was; be set free
②  be; be set free;
③  be; was set free
④  was; was set free
【单选题】 The manager______ at 8:30 am for the meeting, but he didn’t show up.
①  ought to arrive
②  should have arrived
③  should arrive
④  was supposed to arrived
【单选题】 If Linda had practised hard enough last week,she______ more confident on the stage now.
①  would have been
②  had been
③  is
④  would be