英语：必修5 Unit5 First aid-First aid for burns课件(新人教版)

Writedownthewordslearnedlastclassaccordingtothefollowingpictures:132546910asprainedanklenosebleedchokebandagepoisonblisterstove8kettleliquidsteamswellswollenradiationWhatkindoffirstaidtreatmentdoesthisgirlneed?Whocandescribewhatishappening?Doyouknowhowtogiveherspecificfirstaidtreatment?Skimthesubtitlesandputthefollowingstatementsinrightorder.____thethreetypesofburns____whattodoifsomeonegetsburned____thefunctionsoftheskin____thesymptomsofburns____howwegetburns35142Skimming:teadingrsaF2.Whatcanskindoforourbody?(Para1)①②③④3.Howcanwegetburnt?(Para2)Scanninggiveussenseoftouchactasabarrieragainstdiseases,poisonsandthesun’sharmfulrayskeepuswarmorcoolpreventusfromlosingwaterteadingrsaFScanpara1&2andanswerquestions:1.Howmanylayersofskinarethere?Thethreelayersofskin:ThethirdlayerThesecondlayerThetoplayer2.Howcanwegetburnt?(P2)ReadingWecangetburntby:hotliquidssteamfirethesunelectricitychemicalsradiationFirstdegreeburnsAffectthe_______oftheskin.Dry,redandmildly______._______painful.Turnwhitewhen______.SeconddegreeburnsAffectboththe____&the______layer.________,redandswollen.Extremelypainful.________waterysurfaceThirddegreeburnsAffect____________layersoftheskin.Blackandwhiteand_______.______or____pain.maybepainaround____________________Swollen;______canbeseen.Types&characteristicsofburns(basedonpara3&4)1.Types2.CharacteristicstoplayertopsecondallthreeswollenRoughtissueMildlyLittlenopressedBlisterscharrededgeofinjuredareaIfapersongetathirddegreeburn,allhisthreelayersofskinandanytissueandorgansundertheskinwillbeburned.Thenerveslieinthesecondlayeroftheskin.Soifapersongetathirddegreeburn,hisnerveswouldbedamaged.Ifthereisnonerves,thereisnopain.Whydoesn’ttheburnedpersonwhogetathirddegreeburnfeellittleornopain?Accordingtotheformabove,labelthesepictureswithfirstdegreeburns,seconddegreeburnsandthirddegreeburns.firstdegreeburnsseconddegreeburnsthirddegreeburnsReadPara5carefullyanddothefollowingtwoexercises:1.Whyshouldyouputcoldwateronaburn?2.Whydoyouthinkclothesandjewellerynearburnsshouldberemoved?Exercise1Answerthefollowingtwoquestions:1.Thecoolwaterstopstheburningprocess,preventsthepainbecomingunbearableandreducesswelling.2.Bacteriafromtheclothesandjewellerycouldinfecttheburns.Tellrightfromwrong;Exercise2Indicatewhereitiswrongifitiswrong;Indicatewhyitiswrong;Correct1.Samknockedoverakettlefullofboilingwaterontohislegs.Hislegsbecamered,swollenandcoveredwithblisters.Sambroketheblistersandpouredicywaterfromthefridgeontotheskin.Basedonthis,wecanknowhisburnbelongstoseconddgreeburns.Samshouldn’thavebrokentheblistersbecausetheburnscouldbecomeinfected.Samshouldn’thavepouredicywaterbutcoolwaterontheburn.Tellrightfromwrong;Exercise2Indicatewhereitiswrongifitiswrong;Explainwhyitiswrong.2.Whileironingclothes,MissGoodaccidentallytouchedtheiron.Herwristblisteredandbecamewatery.Ithurtalot.Sheputherwristunderthecoldwatertapandthenkeptplacingcool,clean,dampclothsonituntilitwaslesspainful.Thenshewenttoseethedoctor.Basedonthis,wecanknowhisburnbelongstoseconddgreeburns.BasedonPara5,forfirstdegreeburnsandseconddegreeburns,firstplaceburnsundergentlyrunningwaterforabouttenminutes.Andthenplacecool,clean,wetclothsonburnsuntilthepainisnotsobad.BasedonPara5iftheburnsaresecondorthirddegreeburns,itisvitaltogetthevictimtothedoctororhospitalatonce.Tellrightfromwrong;Exercise2Indicatewhereitiswrongifitiswrong;Indicatewhyitiswrong;Correct3.MrsCasey’ssleevecaughtfirewhileshewascooking.Herarmlookedterriblebutitdidn’thurt.Theskinwascharred.Herhusbandtookoffherblouseandpickedoffbitsoftheblousestucktotheburn.Hethenplacedbutterontheburnandcovereditwithawetbandage.Basedonthis,wecanknowhisburnbelongstothirddgreeburns.Basedonpara5,hewasrighttotakeoffherwife’sblousebutheshouldn’thavepickedoffbitsofblouseofftheburn.Becauseifyoupulltheclothesthatarestrucktotheburn,youwouldpullthetissueunderclothesofftoo.Thiswouldcausemoredamagetotheburn.Heshouldn’thaveplacedbutterontheburnbecauseitwouldpreventtheheatfromescapingandcauseinfection.Heshouldn’thaveputawetbutadrybandageontheburn.Tellrightfromwrong;Exercise2Indicatewhereitiswrongifitiswrong;Indicatewhyitiswrong;Correct4.Afteranhourinthesun,Lilynoticedherarmswereredandhurtabit.Shewenthomeandputthemunderrunningwater.Basedonthis,wecanknowhisburnbelongstofirstdgreeburns.BasedonPara5,shedidright.Puttingthesunnedarmsunderrunningwatercanstoptheburningprocess,preventthepainbecomingunberableandreduceswelling.Disscusswithyourpartnerandsummarizehowtogivecorrectfirstaidtreatmentforfirstdegreeburns,seconddegreeburnsandthirddegreeburns.Howtogivecorrectfirstaidtreatmentforfirstdegreeburns?clothingandjewellerythataren’tstucktotheburn.burnswithcoolorcoldwaterbutnoticywaterforabouttenminutes.cool,clean,wetclothsonthebuensuntilthepainisn’tsobad.theburnedareagently.Don’trub.Theburnedareawithadry,cleanbandageandholdthebandageinplaceDon’tremoveclothingandjewellerystucktotheburn.Don’tuseicywater.Don’trub.Howtogivecorrectfirstaidtreatmentforseconddegreeburns?clothingandjewellerythataren’tstucktotheburn.burnswithcoolorcoldwaterforabouttenminutes.cool,cle