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PBH 205 MIDTERM UNLV QUESTIONS AND COMPLETE SOLUTIONS

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PBH 205 MIDTERM UNLV QUESTIONS AND COMPLETE SOLUTIONS

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PBH 205 MIDTERM UNLV QUESTIONS AND
SOLUTIONS




Goal cof cEpidemiology c- cCORRECT cANS✔✔To cdetermine can cassociation cbetween cexposure ca
coutcomes


Interventional/ cexperimental cstudies c- cCORRECT cANS✔✔closest cthing cto can cexperiment. cStar
c(experimental cgroup cand ccontrol cgroup)
-drug cstudies, cvaccine ctrials, cetc.

Observational cStudies c- cCORRECT cANS✔✔-Cohort cstudies
-case ccontrol cstudies
-cross-sectional cstudies

Basic cPrinciples cof cEthics c- cCORRECT cANS✔✔1. crespect cfrom cpersons
2. cBeneficence cand cNonmaleficence
3. cJustice

What cis cbiostatistics? c- cCORRECT cANS✔✔is cthe ccollection, corganization, canalysis, cinterpretat
-translate cdata cinto cinformation, cknowledge, cand cunderstanding

what cis cthe cgoal cof cbio cstatistics? c- cCORRECT cANS✔✔Allow cpublic chealth cto cget cinformation

relative crisk c(risk cratio) c- cCORRECT cANS✔✔comparative cmeasurement cof cdisease crisk cbetwe
cand cthose cwho chave cnot cbeen cexposed
(this cis ca ccohort cstudy)

How cto ccalculate cRelative cRisk c- cCORRECT cANS✔✔1. cincidence c= c# cof ccases cexposed/ c# co
of cexposed c

2. cincidence= c#of ccases cunexposed/#of cunexposed
of cunexposed

3. cRelative crisk= cincidence cof cexposed/incidence cof c
cunexposed


Odds cRatio c- cCORRECT cANS✔✔RR c>1 cexposure cincrease cof cillness

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