1. Yellow bag used for disposal ofContaminated waste which cannot be incineratedNon-contaminated waste which can be incineratedContaminated waste which can be incineratedSharps & needlesQuestion 1 of 20 2. A Path finder survey for oral health needs to be done at 12 sites for 4 index age groups at each site. What should be the sample size for the survey30015001200400Question 2 of 20 3. An investigator observes that five independent risk factors influence the occurance of a disease. Which of the following statistical tests should be applied to assess the relationship between these 5 risk factors and the occurance of disease:Multiple Logistic RegressionANOVAOne way analysis of VarianceMultiple Linear RegressionQuestion 3 of 20 4. Plastic wrapper of surgical syringe should be discarded in:Red bagBlack bagBlueYellow bagQuestion 4 of 20 5. Incidence rates can be calculated byCross over studyCohort studyCase control studyCross sectional studyQuestion 5 of 20 6. Disinfectant used for blood spillsSodium hypochloritePhenolGlutaraldehydeEthanolQuestion 6 of 20 7. Richest source of vitamin D isEggMilkFish oilGreen leafy vegetablesQuestion 7 of 20 8. Helsinki declaration is forEthical duties and rules for dentists in general practiceEthical duties and rules for physicians in general practiceEthical duties for biomedical research involving human subjectsAll of the aboveQuestion 8 of 20 9. In a community trial, every 5th house in a village was selected for sampling. This type of sampling is called asCluster samplingSimple random samplingStratified random samplingSystematic random samplingQuestion 9 of 20 10. Power of a statistical test indicatesThe ability of a test to reject a null hypothesis when it is falseThe ability of a test to reject a null hypothesis when it is falseThe ability of a test to accept a null hypothesis when it is falseThe ability of a test to accept a null hypothesis when it is trueQuestion 10 of 20 11. The most suitable method for presenting frequency distribution of data gathered from continuous variables isPictogramLine diagramBar graphHistogramQuestion 11 of 20 12. Using neem stick is an example ofEquitable DistributionInter-Sectoral CoordinationCommunity ParticipationAppropriate TechnologyQuestion 12 of 20 13. Outdated and expired drugs should be disposed in which of the following mannersStore for 10 year and then bury in landfillsTreat and bury in landfillsAutoclaveDiscard in Municipal wasteQuestion 13 of 20 14. Care indexratio of filled teeth to teeth presentno. of filled teeth per personratio of missing teeth to healthy teethratio of denture users to non-denture usersQuestion 14 of 20 15. Iceberg phenomenon differentiatesSymptomatic & asymptomaticApparent & inapparentDiagnosed and undiagnosedCases & carriersQuestion 15 of 20 16. Mean bone density amongst two groups of 50 people each is compared with each other. The test of significance used would be:Chi-Square testStudent t-testPaired-t-testAnalysis of varianceQuestion 16 of 20 17. A person who assists the dentist in the clinic but is not allowed to treat patients independently is known as:Dental assistantDental hygienistDental therapistExtended dental auxiliaryQuestion 17 of 20 18. In national water supply and sanitation program, a 'Problem village' is defined as all exceptDistance of safe water source is more than 1.6.kmWater is available at a depth of more than 15 metersWater source has excess of iron, fluoride and heavy metalsWater is infested with guinea wormsQuestion 18 of 20 19. Fourth generation pit and fissure sealants are:Colored sealantsUV light curedHigh viscosity sealantsFluoride releasingQuestion 19 of 20 20. Choking off mechanism takes place after topical application ofSodium monofluorophosphateNaFSnF2APFQuestion 20 of 20 Loading...
