1. Fourth generation pit and fissure sealants are:Fluoride releasingHigh viscosity sealantsColored sealantsUV light curedQuestion 1 of 20 2. If the incidence of a disease is high and prevalence is low, it means thatDisease is either cured easily or is fatalThey are not relatedNone incidence and low prevalenceDisease is not cured easilyQuestion 2 of 20 3. Most common occupational cancer in India?Bladder cancerBrain cancerSkin cancerLung cancerQuestion 3 of 20 4. Reliability of a screening test refers to:Accurately measures what it is supposed to measureThe extent to which the observer can go in finding the resultDepends on knowledge of the observerGives same values even on repeated testingQuestion 4 of 20 5. Not true about propagated epidemicsPerson to person transmissionMultiple waves of epidemicHerd immunity presentSharp rise and decrease sharplyQuestion 5 of 20 6. An orphan population of 7-13 yrs age has been put on facto vegetarian diet, which study it wasTurku studyVipehoirn studyTristan da cunha studyHope wood house studyQuestion 6 of 20 7. Incidence can be calculated byCross sectional studyRetrospective studyProspective studyCase control studyQuestion 7 of 20 8. Reference ages for pathfinder survey:3 yrs, 12 yrs, 35-44 yrs, 60-74 yrs7 yrs, 12 yrs, 35-44 yrs, 65-74 yrs6 yrs, 12 yrs, 35-44 yrs, 65-74 yrs5 yrs, 12 yrs, 35-44 yrs, 65-74 yrsQuestion 8 of 20 9. The proportion of the population which is included in the study sample is called asSampling fractionReference populationTarget populationSampling frameQuestion 9 of 20 10. Consort statement is applicable forCare Control StudiesCross Sectional StudiesCohort StudiesRandomized Controlled TrialQuestion 10 of 20 11. What of the following is the best method to measure the degree to which two variables move together in a distributionCorrelation coefficientCertainty equivalentCovarianceVarianceQuestion 11 of 20 12. The most suitable method for presenting frequency distribution of data gathered from continuous variables isPictogramHistogramBar graphLine diagramQuestion 12 of 20 13. STROBE guidelines are applied to:Cross over studiesObservational studiesRandomized trialsNon-concurrent studiesQuestion 13 of 20 14. All are principles of ethics, exceptNon-beneficenceDo not harmRespect the persons autonomy and informed consentConfidentiality, veracity or truthfulnessQuestion 14 of 20 15. Caries promoting mineralSeleniumIronTitaniumFluorideQuestion 15 of 20 16. Age was found to be a factor affecting the relation of diabetes mellitus and periodonticsConfounding BiasSampling BiasInformation BiasSelection BiasQuestion 16 of 20 17. Iceberg phenomenon differentiatesDiagnosed and undiagnosedApparent & inapparentSymptomatic & asymptomaticCases & carriersQuestion 17 of 20 18. Occurrence of malocclusion in a given population termed as?MortalityIncidenceProbabilityPrevalenceQuestion 18 of 20 19. Comparing means of 3 different groups or datasets is best done by using:One-way ANOVAKruskal wallist testChi square testQuestion 19 of 20 20. Problem of recall bias is seen in:CohortEpidemiological studiesCase controlCross sectional studiesQuestion 20 of 20 Loading...