当前位置:考试网  > 试卷库  > 学历类  > 自考  > 自考专业课  >  慢性阻塞性肺病是如何发展成慢性肺源性心脏病的?
试题预览

慢性阻塞性肺病是如何发展成慢性肺源性心脏病的?

查看答案
收藏
纠错
正确答案:

慢性阻塞性肺病引起的阻塞性通气障碍、破坏肺的毛细血管床,导致换气功能障碍引发缺氧,小动脉痉挛、肺小动脉中膜增厚、无肌细动脉肌化(2分)。;同时肺泡壁毛细血管数目减少,均可导致肺循环阻力增加和肺动脉高压,引起右心肥大、扩张,形成慢性肺源性心脏病。

答案解析:

暂无解析

你可能感兴趣的试题

一女性,55岁。丧偶八年,现独居,嗜烟酒,不爱运动。平时性情抑郁,过分容忍,办事无主见,常顺从于别人。1月前行胃癌切除,术中及术后情绪低落,兴趣下降,独自流泪,有轻生之念。患者病前的行为特征为()

下面关于线()

左心衰竭时发生瘀血的部位是:()

新生儿的体液占体重的比例是:()

明尼苏达多相人格调查表属于()

热门试题 更多>
试题分类: 口语
练习次数:2次
试题分类: 写作
练习次数:0次
试题分类: 初级(口语)
练习次数:0次
Investingthousandsofpoundsintherecruitmentandtrainingofeachnewgraduaterecruitmaybejustthebeginning.Choosingthewrongcandidatemayleaveanorganisationpayingforyearstocome. Fewcompanieswillhaveescapedallofthefollowingfailures:peoplewhopanicatthefirstsightofstress;thosewithlongimpressivequalificationswhoseemincapableoflearning;hypochondriacswhoseabsenteerecordbecomesastonishing;andtheunstablepersonlaterdiscoveredtobeathieforworse. Lessdramatic,butjustasmuchaproblem,isthepersonwhosimplydoesnotcomeuptoexpectations,whodoesnotquitedeliver;whoneverbecomesahigh-flierorevenasteadyperformer;theemployeewithafinefuturebehindthem. Thefirstpointtobearinmindattherecruitmentstageisthatpeopledon’tchange.Intelligencelevelsdeclinemodestly,butchangelittleovertheirworkinglife.Thesameistrueofabilities,suchaslearninglanguagesandhandlingnumbers. Mostpeopleliketothinkthatpersonalitycanchange,particularlythemorenegativefeaturessuchasanxiety,lowesteem,impulsivenessoralackofemotionalwarmth.Butdatacollectedover50yearsgivesaclearmessage:stillstableafteralltheseyears.Extrovertsbecomeslightlylessextroverted;theacutelyshyappearalittlelessso,butthefundamentalsremainmuchthesame.Personalcrisescanaffectthewaywecopewiththings:wemighttakeupordropdrink,drugs,religionorrelaxationtechniques,whichcanbehaveprettydramaticeffects.Skillscanbeimproved,andnewonesintroduced,butatratherdifferentrates.Peoplecanbegroomedforajob.Justaspoliticiansarecarefullyrepackagedthroughdress,hairstyleandspeechspecialists,sopeoplecanbesentontrainingcourses,diplomasorexperimentalweekends.Butthereisacosttoallthiswhichmaybemorethanthepriceofthecourse.Bettertoselectforwhatyouactuallyseeratherthanattempttochangeit. ()1.Thepurposeofthispassageistogivemanagerstheadvicethat. A.Employersshouldselectcandidatesfortheirpotential. B.Employersshouldselectcandidatesforwhattheyareratherthanfortheirpotential. C.Employersshouldselectthenewlygraduatedandsendthemontrainingcourses,diplomasorexperimentalweekends. D.Employersshouldselectexperiencedcandidatestoavoidspendingthousandsofpoundsintraining. ()2.Accordingtothepassage,whichofthefollowingstatementsistrue?. A.Absolutely,Peopledon’tchangeduringtheirworkinglives. B.Generally,peoplechangetoalargeextentduringtheirworkinglives. C.Fundamentally,peoplestaythesameduringtheirworkinglives. D.Normally,peopledon’tchangeatallduringtheirworkinglives. ()3.Whatdoesafinefuturebehindthem(line3ofparagraph3)means?. A.Somepeoplewillcertainlyhaveapromisingfuturethoughtheyarenotverycompetentintheirpresentwork. B.Somepeopledon’thaveanypotentialfortheirworkthoughtheyareemployed. C.Somepeoplecanhaveabrightfuturethoughtheycan’tdotheirworkwell. D.Somepeoplehavepotentialwhentheyareemployed,butneverrealizethatpotential. ()4.Accordingtothepassage,people’sbasicabilitieslikelanguagelearningandnumeracy. A.changelittleovertheirworkinglife. B.neverchangeovertheirworkinglife. C.changefundamentallyovertheirworkinglife. D.changeprofoundlyovertheirworkinglife. ()5.Theworddeliver(line2ofparagraph3)means. A.totakegoodstotheplacesorpeopletheyareaddressedto B.togiveaspeech C.todowhatyoupromisedtodo D.tohelpawomantogivebirthtoababy.
试题分类: 初级(阅读)
练习次数:1次
试题分类: 初级(写作)
练习次数:0次
试题分类: 写作
练习次数:1次
试题分类: 口语
练习次数:0次
扫一扫,手机做题