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1、第九章预防医学（Theninthchapterispreventivemedicine）TheninthchapterispreventivemedicineA1/A2questionseachofthefollowingquestions,thereareA,B,C,D,Efivealternativeanswers.Pleasechoosethebestanswerfromit.Thefirstissueofpreventivemedicineisthestudyoftherelationshipbetweenenvironmentalfact
2、orsandA,thehumanenvironmentB,theexternalenvironmentofthehumanbodyTherelationshipbetweenCandhumanhealthTherelationshipbetweenDandbodyconditionTherelationshipbetweenEandhumanfunctionReferenceanswer:CThesecondquestionaboutbiologicalfactorsthataffecthealthdoesnotincludethefollowin
3、gAandbiologicalfociB,hereditarydiseasesC,matureDanddevelopmentE,agingReferenceanswer:AInthethirdstudy,thesampleispartoftheAandthepopulationB,anypartofthepopulationC,atypicalpartofthepopulationD,arepresentativepartofthepopulationE,notallofthemReferenceanswer:DThefourthitemisthe
4、twosamplefromthesamepopulation.Whichofthefollowingindicatorsissmallandtheaveragepopulationismorereliable.A,SXB,CVC,SD,t0.05,V,SE,Referenceanswer:AFifth,theoverallrateof95%confidenceintervalisthenormalvalueofA,95%,inthisrangeThesamplerateofBand95%isinthisrangeTheoverallrateofCa
5、nd95%isinthisrangeTheprobabilityofDandtheoverallrateinthisrangeis95%TheprobabilityofEandsamplerateswithinthisrangeis95%Referenceanswer:DSixth,inordertoinferthepopulationfromthesample,thesampleshouldbeA,anypartofthepopulationB,atypicalpartofthepopulationC,ameaningfulpartofthewh
6、oleD,avaluablepartofthewholeE,arepresentativepartofthepopulationReferenceanswer:EThenormalrangeofaphysiologicalindex(suchassystolicbloodpressure)orbiochemicalindicators,suchasbloodglucoselevels,inapopulation(suchasanadultmale),usuallyA,andtherangeoffluctuationoftheindexinallse
7、venthB,therangeoffluctuationsinallnormalsubjectsC,therangeoffluctuationsinthemajorityofnormalsubjectsD,therangeoffluctuationsintheminorityofnormalsubjectsE,therangeoffluctuationsofapersonatdifferenttimesReferenceanswer:CTheeighthstepsforstatisticalworkincludetheadditionofAandt
8、hecollectionofinformationB,statisticaldesignCandanalysisdataD
