必修5-Unit5-First-aid First-aid-for-burns课件(新人教版).ppt-(纯ppt课件,无音视频素材)
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1、Write down the words learned last class according to the following pictures:132546910 a sprained anklenosebleedchokebandagepoisonblisterstove 78kettleliquidsteamswellswollenradiationWhat kind of first aid treatment does this girl need?Who can describe what is happening?Do you know how to give her sp
2、ecific first aid treatment?_ the three types of burns_ what to do if someone gets burned_ the functions of the skin_ the symptoms of burns_ how we get burnsSkimming:2.What can skin do for our body?(Para1)3.How can we get burnt?(Para2)Scanninggive us sense of touchact as a barrier against diseases,po
3、isons and the suns harmful rayskeep us warm or coolprevent us from losing waterScan para1&2 and answer questions:1.How many layers of skin are there?The three layers of skin:The third layerThe second layerThe top layer2.How can we get burnt?(P2)We can get burnt by:hot liquidssteamfirethe sunelectric
4、itychemicalsradiationFirst degree burnsAffect the _ of the skin.Dry,red and mildly_._ painful.Turn white when _.Second degree burnsAffect both the _&the _ layer._,red and swollen.Extremely painful._ watery surfaceThird degree burnsAffect_ _ layers of the skin.Black and white and _._ or _ pain.may be
5、 pain around_Swollen;_canbe seen.top layertop layertopsecond all threeswollenRoughtissueMildlyLittlenopressedBlisterscharred edge of injuredareaIf a person get a third degree burn,all his three layers of skin and any tissue and organs under the skin will be burned.The nerves lie in the second layer
6、of the skin.So if a person get a third degree burn,his nerves would be damaged.If there is no nerves,there is no pain.Why doesnt the burned person who get a third degree burn feel little or no pain?According to the form above,label these pictures with first degree burns,second degree burns and third
7、 degree burns.first degree burnssecond degree burnsthird degree burns1._clothing using scissors._other clothing and jewellery near the burn2._ the burns with cool water.3._ cool,clean wet cloths on the burns.4._ the burned area gently.5._ the burned area with a dry clean bandage.6._ the burned area
8、_ than the heart,if possible.7._ the victim _the doctor or hospital,if possible.Cool Place CoverDry higherKeepGet toRemoveTake offRead Para 5 carefully and do the following two exercises:1.Why should you put cold water on a burn?2.Why do you think clothes and jewellery near burns should be removed?E
9、xercise 1Answer the following Answer the following two questions:two questions:1.The cool water stops the burning process,prevents the pain becoming unbearable and reduces swelling.2.Bacteria from the clothes and jewellery could infect the burns.Tell right from wrong;Exercise 2Indicate where it is w
10、rong if it is wrong;Indicate why it is wrong;Correct 1.Sam knocked over a kettle full of boiling water onto his legs.His legs became red,swollen and covered with blisters.Sam broke the blisters and poured icy water from the fridge onto the skin.Based on this,we can know his burn belongs to second dg
11、ree burns.Sam shouldnt have broken the blisters because the burns could become infected.Sam shouldnt have poured icy water but cool water on the burn.Tell right from wrong;Exercise 2Indicate where it is wrong if it is wrong;Explain why it is wrong.2.While ironing clothes,Miss Good accidentally touch
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