behav11test.docx
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behav11test.docx
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behav11test
BEHAV.TEST
Q:
Case-controlstudiesareoftenwhat?
A:
Retrospective(casecontrol)
Q:
Characteristicsofanormalstatisticaldistribution?
A:
Gaussian=BellShaped (mean=median=mode)
Q:
Countrywithhighestdivorcerate
A:
U.S.
Q:
Defineabimodaldistribution
A:
Peaksoneithersideofthemedian
Q:
DefineaMeta-analysis
A:
Poolingdatafromseveralstudiestoachievegreaterstatisticalpower
Q:
Defineanegativeskew
A:
Asymmetrywiththetailontheleft(mean Q: Defineapositiveskew A: Asymmetrywiththetailontheright(mean>median>mode) Q: DefineAccuracy A: Thetruenessoftestmeasurements Q: DefineAlternateHypothesis A: Hypothesisthatthereissomedifference Q: DefineCoefficientofDetermination A: r^2(Correlationcoefficientsquared) Q: DefineCorrelationcoefficient(r) A: Alwaysbetween-1and1.Absolutevalueindicatesthestrengthofcorrelation. Q: DefineNegativePredictiveValue A: Numberoftruenegatives/numberthattestedneg.fordisease Q: DefinePositivePredictiveValue A: Numberoftruepositives/numberthattestedpos.fordiseaseortheprob.Of havingacondition,givenapos.test Q: DefinePrecision A: Theconsistencyofatest(reliability),absenceofrandomerror Q: DefinePrimaryDiseasePrevention A: Preventoccurrence,e.g.,vaccination Q: DefineRelativeRisk A: Diseaseriskinexposedgroup/diseaseriskinunexposedgroup;a/a+b/c/c+d Q: DefineReliability A: Reproducibilityofatest;repeatmeasurementsarethesame Q: DefineSecondaryDiseasePrevention A: Earlydetectionofdisease,e.g.,Papsmear Q: DefineSEM A: StandardErroroftheMean;standarddeviation/squarerootofn(samplesize) Q: Definesensitivity A: Numberoftruepositives/allpeoplewithdisease Q: Definespecificity A: Numberoftruenegatives/numberofallpeoplew/othedisease Q: DefineTertiaryDiseasePrevention A: Reducedisabilityformdisease,e.g.insulinfordiabetics Q: DefinethePowerofastudy A: Probabilityofrejectinganullhypothesiswhenitisfalse Q: DefineValidity A: Whetheratesttrulymeasureswhatitpurportstomeasure;theappropriatenessofatest Q: Dodivorceesremarryfrequently? A: Yes Q: Howdodiseaseprevalenceandpositivepredictivevaluerelate? A: Higherprevalence=HigherPositivePredictiveValue Q: Howdoprevalenceandincidencerelatetodiseaselength? A: P>Iforchronicdiseases; P=Iforacutediseases Q: HowdoSEMandStandardDeviationrelate? A: SD>SEM;asnincreases,SEMdecreases Q: Howdoyoumeasurethe'power'ofastudyortheprobabilitythatthestudywillseeadifferenceifoneexists? A: 1-beta Q: HowdoesalpharelatetotheTypeIerror? A: ItistheprobabilityofmakingaTypeIerror,isequaltop(pisusually<.05) Q: HowdoesbetarelatetotheTypeIIerror? A: BetaistheprobabilityofmakingaTypeIIerror Q: Howmanypeople>65 A: 35,000,000(approx.13%) Q: Ifthe95%confidenceintervalforORofRRincludes1,whatdoesthismean? A: Thatthestudyisinconclusive Q: Inwhatagegroupwillthegreatestpopulationincreasebeseenin? A: Those>85 Q: IncreasingsamplesizewillaffectthePowerofastudyhow? A: ByincreasingthePower Q: Isdivorcerelatedtoindustrialization? A: No Q: IsHIVpositivityareportabledisease? A: No Q: Marriagesathighrisk A: Teenagemarriages,Mixedreligions,Lowsocio-economicstatus Q: MemoryaidforMedicare/Medicaid A: MedicarE=Elderly; MedicaiD=Destitute Q: PreventiveservicesneededforAlcoholism A: Influenza,pneumococcalimmunizations;TBtest Q: PreventiveservicesneededforDiabetes A: Eye,footexams;Urinetest Q: PreventiveservicesneededforDrugAbuse A: HIV,TBtests;hepatitisimmunization Q: PreventiveservicesneededforHigh-risksexualbehavior A: HIV,HepB,syphilis,gonorrhea,chlamydiatests Q: PreventiveservicesneededforHomeless,Refugee,orImmigrant A: TBtest Q: PreventiveservicesneededforObesity A: Bloodglucosetest Q: Randomerroryieldspoor………? A: Precision Q: RelativeRiskisusedforwhatkindofstudy? A: Cohort Q: Systematicerroryieldspoor………? A: Accuracy Q: U.S.populationin2000 A: 300,000,000 Q: Unlikespecificityandsensitivity,whatarepredictivevaluesdependenton? A: Prevalenceofdiseaseinthepopulation Q: Whatareriskfactorsforsuicide? A: White,male,alone,priorattempts,presenceandlethalityofplan,medicalillness,alcoholordruguse,on3ormoreprescriptionmeds. Q: WhataretheleadingcausesofdeathinAGE1-14? A: Injuries,cancer,congenitalanomalies,homicide,heartdisease Q: WhataretheleadingcausesofdeathinAGE15-24? A: Injuries,homicide,suicide,cancer,heartdisease Q: WhataretheleadingcausesofdeathinAGE25-64? A: Cancer,heartdisease,injuries,stroke,suicide Q: WhataretheleadingcausesofdeathinAGE65+? A: Heartdisease,cancer,stroke,COPD,pneumonia Q: WhataretheleadingcausesofdeathinINFANTS? A: Congenitalanomalies,SIDS,shortgestation,respiratorydistresssyndrome,maternalcomplicationsduringpregnancy Q: Whatarethemostcommonsurgeries? A: Dilationandcurettage,hysterectomy,tonsillectomy,sterilization,herniarepair,oophorectomy,cesareansection,cholecystectomy Q: Whatarethereportablediseases? A: AIDS,chickenpox,gonorrhea,hepatitisAandB,measles,mumps,rubella,salmonella,shigella,syphilis,andtuberculosis Q: Whatdoesat-testcheck? A: Thedifferencebetweentwomeans(Mr.Tismean) Q: WhatdoesanANOVAanalyze? A: Varianceof3ormorevariables(AnalysisofVariance) Q: WhatdoesSADPERSONSrepresent? A: Sex(male),Age,Depression,Previousattempt,Ethanol,Rationalthought,Sickness,Organizedplan,Nospouse,Socialsupportlacking Q: WhatfactorsinfluencethePowerofastudy? A: 1)Thetotal#ofendpointsexperiencedbyapopulation;2)Differenceincompliancebetweentreatmentgroups Q: Whatisacase-controlstudy? A: Observationalstudy.Samplechosenbasedonpresenceorabsenceofdisease. Infocollectedaboutriskfactors. Q: WhatisaClinicaltrial? A: Experimentalstudy.Comparesbenefitof2ormoretreatments. Q: WhatisaCohortstudy? A: Observationalstudy.SamplechosenbasedonpresenceorabsenceofRiskFactors. Subjectsfollowedovertimefordiseasedevelopment. (Framinghamstudy) Q: Whatisamemorykeyforsuicideriskfactors? A: SADPERSONS Q: WhatisaNullHypothesis? A: Hypothesisofnodifference,e.g.,noassoc.betweendiseaseandriskfactor Q: WhatisapitfallofMeta-analysis? A: Cannotovercomelimitationsofindividualstudiesorbiasinstudyselection Q: WhatisaTypeIerror(alpha)? A: Statingthataneffectofdifferenceexistswhenonereallydoesnot Q: WhatisaTypeIIerror(beta) A: Statingthatthereisnotaneffectordifferencewhenactuallythereis Q: WhatisanOddsRatiousedfor? A: Approximatesrelativeriskwhenprevalenceisnottoohigh; OR=ad/bc Q: WhatisChi-Squaretestusedfor? A: Tocheckdifferencesbetween2ormorepercentagesorproportionsofcategoricaloutcomes Q: Whatisdesirableforconfirmatorytests? A: Highspecificity Q: Whatisdesirableforscreeningtests? A: Highsensitivityisdesirableforascreeningtest Q: Whatisincidence? A: Numberofnewcasesinapopulationperunittime Q: WhatisMedicaid? A: Fed.AndStateassistanceforthoseonwelfareorwhoareindigent Q: WhatisMedicarePartA? A: Hospitalrelated Q: WhatisMedicarePartB? A: Supplemental Q: WhatisMedicare? A: Fed.ProgramfortheElderly Q: Whatisprevalence? A: Totalnumberofcasesinapopulationatagiventime(incidencexdiseaseduration) Q: WhatistheFalseNegativeRatio? A: 1-sensitivity Q: WhatistheFalsePositiveRatio? A: 1-specificity Q: Whatisthehighestqualitystudy? A: ClinicalTrial Q: Whatisthepvalue? A: TheprobabilityofmakingaTypeIerror. Q: Whatpercentofmedicalcostswillthose>35incur? A: 30% Q: WhattypeofstudiesareOddsRatiosusedfor? A: Retrospective(casecontrol) Q: Whendodivorcespeak? A: Duringthe2ndto3rdyear. Q: Whichsexhasthemostsurgeries? A: Females Q: DefineAutonomy. A: Obligationtorespectptsasindividualsandtohonortheirpreferencesinmedicalcare Q: Legally,whatdoesinformedconsentrequire? A: -discussionofpertinentinformation A: -obtainingthepatient'sagreementtotheplanofcare A: -freedomfromcoercion Q: Ptautonomyvs.beneficence: whendoesautonomywinout? A: Ifptmakesaninformeddecision,ultimately,thept.hastherighttodecide. Q: What3proofsarerequiredforasucessfulmalpracticecivilsuitforneglegence? A: -Dr.breachofdutytopatient A: -pt.suffersharm A: -breachofdutycausesharm A: Note--beyondreasonabledoubtnotneeded,justmorelikelythannot Q: Whatarethe4exceptionstoconfidentiality? A: -potentialharmtoothersisserious A: -likelihoodofharmisgreat A: -noalternativemeansexisttowarnortoprotectthoseatrisk A: -Drs.Cantakestepstopreventharm Q: Whatarethe4exceptionstoinformedconsent? A: -pt.lacksdecision-makingcapacity(notletallycompetent) A: -impliedconsentinanemergency A: -therapeuticprivelege--withholdinginformationwhendisclosurewouldseverlyharmtheptorundermineinformeddecision-makingcapacity A: -waver--pt.waves Q: Whatarethe5signsofapt'sdecision-makingcapacity? A: -pt.makesandcommunicatesachoice A: -pt.isinformed A: -decisionremainsstableovertime A: -decisionco
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