1. Meta-analysis is helpful in dentistry to:Provide quantitative summary measure from many studiesDefine who is at risk of diseaseGuide statistical testing for clinical proceduresDecreases publication biasQuestion 1 of 20 2. Most common occupational cancer in India?Bladder cancerLung cancerSkin cancerBrain cancerQuestion 2 of 20 3. If the incidence of a disease is high and prevalence is low, it means thatNone incidence and low prevalenceThey are not relatedDisease is either cured easily or is fatalDisease is not cured easilyQuestion 3 of 20 4. The usefulness of a screening test depends upon itsPredictive valueSpecificitySensitivityReliabilityQuestion 4 of 20 5. Specificity of a test measures:True negativesTrue positivesFalse positivesFalse negativesQuestion 5 of 20 6. Savlon containsCetrimide + CetavlonCetrimide + ChlorhexidineCetrimide + Chlorhexidine + butyl alcoholCetrimide + butyl alcoholQuestion 6 of 20 7. Which of the following will cause an increase in the prevalence of diseaseImmigration of healthy personsIncreased death rate in diseaseIncreased cure rate of diseaseLonger duration of diseaseQuestion 7 of 20 8. Measure of dispersion in normal distribution from mean is known asMedianStandard deviationRangeVarianceQuestion 8 of 20 9. Back washing is a recommended technique forSlow Sand FilterCommunity WellDomestic FilterRapid Sand FilterQuestion 9 of 20 10. Ability of the test to correctly identify those who have disease:ReliabilitySpecificitySensitivityAccuracyQuestion 10 of 20 11. All of the following are applications of knowing the incubation period of a disease exceptTo determine the period of isolationTo determine the period of quarantineTo differentiate among secondary cases and co-primary casesTo prevent infection amongst contacts of the infected personQuestion 11 of 20 12. Infected waste is disposed in which containerYellowRedBlackBlueQuestion 12 of 20 13. Which of these is a parametric testChi-Square TestWilcoxon signed rank TestT-TestMann-Whitney U TestQuestion 13 of 20 14. In epidemiology, a sample is:A group of people in a small areaSmall group of people representing the populationRepresents a small group of people of low socio-economic statusRepresents each individualQuestion 14 of 20 15. Outdated and expired drugs should be disposed in which of the following mannersStore for 10 year and then bury in landfillsDiscard in Municipal wasteTreat and bury in landfillsAutoclaveQuestion 15 of 20 16. The proportion of the population which is included in the study sample is called asSampling fractionSampling frameReference populationTarget populationQuestion 16 of 20 17. Comprehensive school based dental care for whole country is adopted byNew ZealandSwedenAustraliaUSAQuestion 17 of 20 18. In a community trial, every 5th house in a village was selected for sampling. This type of sampling is called asSimple random samplingSystematic random samplingStratified random samplingCluster samplingQuestion 18 of 20 19. Method of identifying missing and supplementing case is patient is:MonitoringNotification systemSample registrationSentinel SurveillanceQuestion 19 of 20 20. Application of Incubation period is all EXCEPTTo prevent infection to the contacts of the infected personTo find out time for QuarantineTo find out time for isolationTo differentiate co-primary cases from secondary casesQuestion 20 of 20 Loading...