1. Concentration of fluoride in salt9Oppm225ppm250ppm275ppmQuestion 1 of 20 2. Care indexno. of filled teeth per personratio of missing teeth to healthy teethratio of denture users to non-denture usersratio of filled teeth to teeth presentQuestion 2 of 20 3. According to concept of primary health centre hilly areas cover a population of500003000020000-100000Question 3 of 20 4. All of the following are true about cluster sampling except:Samples are similar to those in Simple Random SamplingThe sample size may vary according to study designIs a Rapid and simple methodIt is a type of probability sampleQuestion 4 of 20 5. Reverse smoking is prominent in which parts of India:Coastal areas of Andhra PradeshTribal areas of MaharashtraRiver bed of AssamDeserts of RajasthanQuestion 5 of 20 6. Education of young children in school about the harmful effects of soft foods leading to caries is done to prevent dental caries. What is this type of prevention calledTertiary preventionSecondaryPrimary preventionEducational interventionQuestion 6 of 20 7. Which is not an epidemiological method of population surveyCorrelational studiesCommunity trialsTwin studiesEcological studiesQuestion 7 of 20 8. What is the percentage of chlorohexidine when used as a handrub:0.010.0020.00120.005Question 8 of 20 9. The most suitable method for presenting frequency distribution of data gathered from continuous variables isBar graphPictogramLine diagramHistogramQuestion 9 of 20 10. In a community trial, every 5th house in a village was selected for sampling. This type of sampling is called asSystematic random samplingSimple random samplingStratified random samplingCluster samplingQuestion 10 of 20 11. Infected waste is disposed in which containerBlueBlackYellowRedQuestion 11 of 20 12. The no. of death due to oral carcinoma divided by mid-year population?Case fatality rateSpecific death rateCrude death rateProportional death rateQuestion 12 of 20 13. Which of the following is cariogenicMolybdenumFluorideStrontiumSeleniumQuestion 13 of 20 14. Application of fluoride varnish after luting a crown has which of the following beneficial action:Allows dissolution of marginal cementReduces the peripheral sealProvides desensitizing actionRemoves fluorides from enamelQuestion 14 of 20 15. Mean respiratory rate in different kind of smokers and nonsmokers, categorized as four categories mild, moderate, heavy and nonsmoker. test used to assess the means between them -Student t testTwo way ANOVAChi square testOne way ANOVAQuestion 15 of 20 16. Food with maximum Cholesterol contentEggCoconut OilHydrogenated FatsGhee (Hydrogenated)Question 16 of 20 17. Consort statement is applicable forRandomized Controlled TrialCare Control StudiesCross Sectional StudiesCohort StudiesQuestion 17 of 20 18. Richest source of vitamin D isMilkFish oilGreen leafy vegetablesEggQuestion 18 of 20 19. All of the following studies are analytical, ExceptCohort studiesCase control studiesField trialsEcological studiesQuestion 19 of 20 20. Outdated and expired drugs should be disposed in which of the following mannersAutoclaveTreat and bury in landfillsStore for 10 year and then bury in landfillsDiscard in Municipal wasteQuestion 20 of 20 Loading...