大学医学英语词缀.ppt
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1、Unit 3,Smoking,Lead-in Background InformationWords and PhrasesMedical suffixTranslation SentencesAssignment,Lead-in Part-smoking,What does a length of cigarette consist of?In other words,Why is the cigarette so charming to some people?,Nicotine 尼古丁tar焦油一氧化碳carbon monoxide 一氧化氮nitric oxide 氢氰酸丙烯醛,Bra
2、instorming:,1.In what way is smoking harmful?,2.What advice would you give to someone who wanted to quit smoking?,From the medical viewpoint,Smoking can lead to stroke.,Smoking may cause the other diseases:,哮喘 Asthma sm,z-肺癌 lung cancer肺气肿 emphysema,emfisi:m.,Respiratory system,Pharynx friks 咽部Laryn
3、x lriks 喉部Trachea trki:气管Bronchi brkai 支气管Bronchiole brkiul n.解剖 细支气管Alveoli lvilai n.肺泡;齿槽;巢房,Respiratory system,The primary function of the respiratory system is to supply the blood with oxygen in order for the blood to deliver oxygen to all parts of the body.The respiratory system does this throu
4、gh breathing.When we breathe,we inhale oxygen and exhale carbon dioxide.This exchange of gases is the respiratory systems means of getting oxygen to the blood.,Respiration is achieved through the mouth,nose,trachea,lungs,and diaphragm.Oxygen enters the respiratory system through the mouth and the no
5、se.The oxygen then passes through the larynx(where speech sounds are produced)and the trachea which is a tube that enters the chest cavity.In the chest cavity,the trachea splits into two smaller tubes called the bronchi.Each bronchus then divides again forming the bronchial tubes.,The bronchial tube
6、s lead directly into the lungs where they divide into many smaller tubes which connect to tiny sacs called alveoli.The average adults lungs contain about 600 million of these spongy,air-filled sacs that are surrounded by capillaries.The inhaled oxygen passes into the alveoli and then diffuses throug
7、h the capillaries into the arterial blood.Meanwhile,the waste-rich blood from the veins releases its carbon dioxide into the alveoli.The carbon dioxide follows the same path out of the lungs when you exhale.,2.How to Ban Smoking?,No smoking Day firstly started in America in 1984.It aimed at all peop
8、le who would like to give up smoking,including teenagers.Each year,many countries carry out(进行)all kinds of campaigns(活动)on this day to help smokers to quit.,No Smoking Day May,31st 禁烟日,Ban Smoking,Ads of Forbiding smoking,Individual,Background Information,First-hand smokingSecond-hand smokingThird-
9、hand smoking,First-hand smoking,We can look at cigarette smoke in three ways.Mainstream(firsthand)smoke is the smoke that a smoker inhales.Obviously,it is harmful to be smoker,although the cigarette filter sifts some of the toxins(tar)out.,Second-hand smoking,Secondhand smoke is the combination of t
10、he mainstream smoke that come off the burning end of the cigarette into the environment.Volume for volume,side-stream smoke is more hazardous than mainstream smoke because it is unfiltered.,Third-hand smoking,Winickoff and Colleagues have now given us a new name for the toxic particles that settle a
11、s dust in rooms and on clothing that have been exposed to cigarette smoke.They call this third-hand smoke,or“residual tobacco smoke contamination that remains after the cigarette is extinguished.”,In summary,While first-hand smoke is that inhaled directly by the smoker and second-hand is the smoke e
12、xhaled(and inhaled by others),third-hand smoke is the residue from second-hand smoke.,TEXT Questions:,1.What is smoking and its history?,2.What diseases can smoking cause?,3.What is the current situation of tobacco-caused diseases?,重点四、六级词汇表,From overview:Inhale evolve offerings alter enlightenment
13、instituteCurb deter enforce premature death be cited as From SIVC1:Well-documented negate survival odds quit the habitsFrom SIVC2:be associated with=be linked to kick the habits postponeFrom SIVC3:Take up the habit overtake susceptible trigger,From SIVC4:Pick up expose out-rated depict harness From
14、S1VC5:Put doubt to a rest shake the habit plague In contradiction downside on the rise resonate From S1VC6:Be hooked on addictive screening horn in fuelFrom S1VC7:Claim lethal crunch be subject to comment on regulate proponentFrom S1VC8:Treacherous residual extinguish air-bound compoundsLinger,Words
15、 and Phrases,Inhale v.Evolve v.Offerings n.Enlightenment n.Institute v.Launch v.Enforce v.,Inhale v.to take air,smoke,gas,etc.into your lungs as you breathes 吸入,吸气,She closed her eyes and inhaled deeply.她合上双眼,深深地吸了一口气。He inhaled deeply on another cigarette.他又点了一根烟,深深地吸了一口。Local residents needed hosp
16、ital treatment after inhaling fumes from the fire.反义词 Exhale v.名词 InhalationHundreds of children were treated for smoke inhalation.,evolve,Develop gradually,especially from a simple to a more complicated form;使.逐渐发展,形成The company has evolved into a major chemical manufacturer.Each school must evolve
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