NR 503 Epidemiology midterm Exam.pdf

1. The ipopulationiofia icityioniFebruaryi15, i2005, iwasi36,600. iTheicityihasiaipassive isurveillance isystemithaticollectsihospitaliandiprivate iphysicianireportsiofiinfluenza icasesieveryimonth. iDuringitheiperiodibetweeniJanuaryi1iandiAprili1, i2005, i2,200inewicasesiofiinfluenzaioccurrediin itheicity. iOfitheseicases, i775ipersonsiwere iilliwithiinfluenza iaccordingitoisurveillance ireportsion iAprili1, i2005. iTheiprevalenceirateiofiactiveiinfluenzaiasiofiAprili1, i2005, iwas: Correct!i20iperi1,000ipopulation 2. The ipopulationiofia icityioniFebruaryi15, i2005, iwasi36,600. iTheicityihasiaipassive isurveillance isystemithaticollectsihospitaliandiprivate iphysicianireportsiofiinfluenza icasesieveryimonth. iDuringitheiperiodibetweeniJanuaryi1iandiAprili1, i2005, i2,200inewicasesiofiinfluenzaioccurrediin itheicity. iOfitheseicases, i775ipersonsiwere iilliwithiinfluenza iaccordingitoisurveillance ireportsion iAprili1, i2005. iTheimonthlyiincidence irate iofiactive icasesiofiinfluenza iforithei3-monthiperiod iwas: Correct! i 20iperi1,000ipopulation 3. Whatiwouldibeithe ieffectioniage-specific iincidence iratesiofiuterine icanceriifiwomeniwith ihysterectomiesiwereiexcludedifromitheidenominatoriofiincidenceicalculationsiassumingithat imostiwomeniwhoihave ihadihysterectomiesiareiolderithani50iyearsiofiage? Correct!:iRatesiwouldiincrease iiniwomeniolderithani50iyearsiofiage ibutimayidecrease iin iyoungeriwomeniasitheyigetiolder.