1. The usefulness of a screening test depends upon itsSensitivityReliabilityPredictive valueSpecificityQuestion 1 of 20 2. The best graphic representation of frequency distribution of data gathered of a continuous variable is:HistogramLine diagramSimple bar graphMultiple barQuestion 2 of 20 3. Which of the following is an example of an observational study:Randomized controlled trialsField trialsCase control studyCommunity trialsQuestion 3 of 20 4. Highest amount of saturated fatty acid is seen inSoyabean oilSunflower oilGroundnut oilPalm oilQuestion 4 of 20 5. Which of the following has got the highest fluoride content:DuraphatFluorprotectorCasein phosphopeptideAcidulated Phosphate fluorideQuestion 5 of 20 6. Which one of the following vaccines is contraindicated in pregnancyMMRHep BNoneRabiesQuestion 6 of 20 7. A data is arranged as satisfied, very satisfied, and dissatisfied This is aRatio dataInterval dataOrdinal dataNormal dataQuestion 7 of 20 8. Best method to compare new test and gold standard testKolmogorov-Smimov testBland and Altman analysisCorrelation studyRegressive studyQuestion 8 of 20 9. Which of these is a parametric testMann-Whitney U TestChi-Square TestWilcoxon signed rank TestT-TestQuestion 9 of 20 10. Which of the following statements about confidence limits/ interval is true:Sample size does not affect the confidence intervalLess variable the data, wider will be the confidence interval95% confidence interval will cover 2 standard errors around the meanSmaller the confidence level larger will be the confidence intervalQuestion 10 of 20 11. Which epidemiological study gives the most accurate result?Randomized control trial with double blindingCohort studyCross-sectional studyMeta analysisQuestion 11 of 20 12. In a study, significant relation is found between obesity and caries. However, the data for the study was collected only from food manufacturers and hospitals. This type of study design is calledCross sectional studyPsephological studyRandomized trialEcological studyQuestion 12 of 20 13. Using neem stick is an example ofEquitable DistributionAppropriate TechnologyInter-Sectoral CoordinationCommunity ParticipationQuestion 13 of 20 14. Causative agent for AIDS was established in1983199419721969Question 14 of 20 15. New auxiliary types Dental licentiate, dental aideDental hygienist with expanded dutiesFrontier auxiliariesTechnotherapistQuestion 15 of 20 16. Reference ages for pathfinder survey:7 yrs, 12 yrs, 35-44 yrs, 65-74 yrs5 yrs, 12 yrs, 35-44 yrs, 65-74 yrs3 yrs, 12 yrs, 35-44 yrs, 60-74 yrs6 yrs, 12 yrs, 35-44 yrs, 65-74 yrsQuestion 16 of 20 17. Double pot is method ofChlorinationFluoridationDefluoridationOzonisationQuestion 17 of 20 18. A Dental health survey in a community helps to establish what type of needs of the population:Perceived needsNormative needsFelt needsExpressed needsQuestion 18 of 20 19. Dentist act was passed in1945195019561942Question 19 of 20 20. Standard error of mean is calculated bySD/nSD/ ?nMean/SDSD/meanQuestion 20 of 20 Loading...