1. The usefulness of a screening test depends upon itsSensitivitySpecificityReliabilityPredictive valueQuestion 1 of 20 2. The most suitable method for presenting frequency distribution of data gathered from continuous variables isPictogramHistogramBar graphLine diagramQuestion 2 of 20 3. Fourth generation pit and fissure sealants are:High viscosity sealantsColored sealantsFluoride releasingUV light curedQuestion 3 of 20 4. Degree of relationship between cause and effect is represented byPower of studyRisk ratioSignificanceP valueQuestion 4 of 20 5. In calculating Dependency Ratio, the numerator is expressed as :Population under 10 years and 60 and above.Population under 15 years and 65 and abovePopulation under 15 years and 60 and above.Population under 10 years and 65 and aboveQuestion 5 of 20 6. In case of Confounding variable which type of association is seen between disease and factorDirectTemporalSpuriousIndirectQuestion 6 of 20 7. Shortest incubation period is seen in:Hepatitis ARubellaInfluenzaHepatitis BQuestion 7 of 20 8. Reliability of a screening test refers to:Accurately measures what it is supposed to measureDepends on knowledge of the observerThe extent to which the observer can go in finding the resultGives same values even on repeated testingQuestion 8 of 20 9. Which of the following is a commonly used laboratory disinfectant:Dilute HCIHypochloriteCopper sulphateSoapQuestion 9 of 20 10. Application of Incubation period is all EXCEPTTo find out time for isolationTo find out time for QuarantineTo prevent infection to the contacts of the infected personTo differentiate co-primary cases from secondary casesQuestion 10 of 20 11. Acceptable range of microbial load in water line of dental unit for immunocompromised patient< 200 CFU200-400CFU300-600 CFUNo specific limitQuestion 11 of 20 12. Using neem stick is an example ofInter-Sectoral CoordinationEquitable DistributionCommunity ParticipationAppropriate TechnologyQuestion 12 of 20 13. Consort statement is applicable forRandomized Controlled TrialCross Sectional StudiesCare Control StudiesCohort StudiesQuestion 13 of 20 14. In statistics, sample represents:Group of samplesRepresent each memberSubset of sampleArithmetic unit used like Kg, gmQuestion 14 of 20 15. Infected waste is disposed in which containerBlackYellowRedBlueQuestion 15 of 20 16. Which epidemiological study gives the most accurate result?Randomized control trial with double blindingCross-sectional studyCohort studyMeta analysisQuestion 16 of 20 17. Outlier isMeasure of Central TendencyObservation that is completely outside the normal observation range of valuesSeparate entityExperimental errorQuestion 17 of 20 18. Objective of calibrating examiner before survey is toMeasure consistently at different times and under a variety of conditionsAll of the aboveReduce intra- and inter examiner reliabilityEnsure uniform interpretation, understanding and application of diagnostic criteriaQuestion 18 of 20 19. Provision of integrated preventive, curative and promotional health services are part ofPrimary healthcare systemBasic health careComprehensive health care systemUniversal healthcareQuestion 19 of 20 20. Which of the following characteristics is not of much importance in a screening testHigh safety marginHigh sensitivityLow costHigh specificityQuestion 20 of 20 Loading...