1. Which of the following is not an accepted method of randomizationLotteryOdd/even day hospital admissionRandom number tableComputer drawn randomizationQuestion 1 of 20 2. Application of fluoride varnish after luting a crown has which of the following beneficial action:Removes fluorides from enamelReduces the peripheral sealAllows dissolution of marginal cementProvides desensitizing actionQuestion 2 of 20 3. Dentist act was passed in1956195019421945Question 3 of 20 4. In patients of leprosy, Lepromin test is used for:Epidemiological investigationsTreatmentDiagnosisPrognosisQuestion 4 of 20 5. An active carious lesion can be stopped from progression by application of which of the following:SnFNaFAPFSilver diamine fluorideQuestion 5 of 20 6. In statistical studies, data represents:Sample groupsEvery individual of sampleWhole sampleObservational recordsQuestion 6 of 20 7. Back washing is a recommended technique forRapid Sand FilterSlow Sand FilterCommunity WellDomestic FilterQuestion 7 of 20 8. Sputum can be disinfected by all except:BoilingAutoclavingChlorhexidineCresolQuestion 8 of 20 9. A Dental health survey in a community helps to establish what type of needs of the population:Normative needsFelt needsPerceived needsExpressed needsQuestion 9 of 20 10. Shortest incubation period is seen in:Hepatitis AHepatitis BInfluenzaRubellaQuestion 10 of 20 11. Adjuvant used in DPT vaccine isCopperMagnesiumAluminiumZincQuestion 11 of 20 12. Sequence of contents in scientific report of oral health survey:Introduction, Materials and methods, result, discussionReview of literature, Aim, methods and material, resultsIntroduction, Aim, materials and methods, resultsAim, Materials and methods, result, conclusionQuestion 12 of 20 13. Iceberg phenomenon differentiatesApparent & inapparentCases & carriersSymptomatic & asymptomaticDiagnosed and undiagnosedQuestion 13 of 20 14. A test comes negative but the disease was present in subject. This isFalse negativeFalse positiveTrue positiveTrue negativeQuestion 14 of 20 15. Causative agent for AIDS was established in1972199419831969Question 15 of 20 16. In a study every 5th house of village is selected, this isStratified random samplingCluster samplingSimple random samplingSystemic random samplingQuestion 16 of 20 17. Occurrence of malocclusion in a given population termed as?IncidenceProbabilityMortalityPrevalenceQuestion 17 of 20 18. In caries reductase test slightly conductive shows which colorBlueOrchidPinkRedQuestion 18 of 20 19. Method of identifying missing and supplementing case is patient is:MonitoringNotification systemSample registrationSentinel SurveillanceQuestion 19 of 20 20. Saliva contains which of the following acts as defence mechanism for prevention of dental cariesLactoferrinLactoperoxidaseLysozymeAll of the aboveQuestion 20 of 20 Loading...