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ID:40585232
大小:4.43 MB
页数:6页
时间:2019-08-04
《不同类型缺氧Different Types of Hypoxia(英文版)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、LabReportofMedicalFunctionalExperimentationDate:2014.5.27TitleDifferentTypesofHypoxiaScoreExperimentersGradeandspecializedfieldPreventiveMedicine,Group101.PurposeA.TounderstandtheclassificationprincipleofhypoxiabyduplicationofanimalmodelofdifferenttypesofhypoxiaB.Tounderstandthemanifesta
2、tioncharacterofdifferenttypesofhypoxiathroughtheobservationofthevariationofrespiratoryrhythmandskinandmucosacolorofanimalwithhypoxia.2.AnimalandMaterials(1)Animal:Adultmice,weighingabout20gram,maleorfemale(2)Apparatus:GinsbergScientificReagentBottles-Flint-WideMouth-GroundGlassStopper,ca
3、rbonmonoxidegeneratingdevice,alcohollamp)、syringe,needles,scissors,tissueforceps.(3)Drugsandreagents:Sodalime,formicacidsolution,concentratedsulfuricacidsolution,5%sodiumnitritesolution,1%methylenebluesolution.3.MethodsandProcedures(1)Hypotonichypoxia:Takealittlesodiumlime(about5gram)and
4、1mouseintoawide-neckedbottle.Observeandrecordthegeneralcondition,respiratoryfrequencyanddepth,aswellasskinandmucosacolor.Sealthebottlewithrubberstopperandbegintimerecording.Repeattheobservationaboveatevery3minutesintervaluntilthedeathofthemice.Recordanyotherchangesatanytimeanditsfinalsur
5、vivalduration.Opentheabdomenofthemousecorpseinorderafterotherhypoxicexperimentsarefinished.Observethecolorofbloodandmakecomparison.(2)Hemichypoxia1)Hypoxiaofcarbonmonoxidepoisoning:Observethenormalmanifestationofthemouseplacedinawide-neckedbottle,whichisattachedtoasetofcarbonmonoxidegene
6、rationdevicepreparedbeforehand.Take3mlofformicacidsolutionintoatesttubebycalibrationpipette,followedbyslowadditionof2mlofconcentratedsulfuricacidsolutionalongtheinclinedtubewall.Sealthetubewithrubberstopperandobservethesameindexesasabove.Itshouldbenoticedthatoverheatingthetesttubebyalcoh
7、olburnerisdangerousduetopossibleliquidseethingfspeedingupgenerationofcarbonmonoxideisnecessary.(Furthermore,carbonmonoxidegeneratedtoorapidandtoo6muchwouldcausethemousedierapidlywithoutevidentchangeofbloodcolor.)2)Hypoxiaofsodiumnitritepoisoning:Take2micewithsamebodyweigh
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