1. Which of the following will cause an increase in the prevalence of diseaseIncreased death rate in diseaseImmigration of healthy personsLonger duration of diseaseIncreased cure rate of diseaseQuestion 1 of 20 2. All are principles of ethics, exceptDo not harmConfidentiality, veracity or truthfulnessRespect the persons autonomy and informed consentNon-beneficenceQuestion 2 of 20 3. Enameloplasty1/4 of enamel is removed1/3 of enamel is removedFissures are broadened and made self-cleansable1/2 of enamel is removedQuestion 3 of 20 4. 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 10 years and 65 and abovePopulation under 15 years and 60 and above.Question 4 of 20 5. In 3x3 table, the degree of freedom is6943Question 5 of 20 6. Study carried out among children of around 12yr age group in an orphan house with less carbohydrate diet isVipeholm studyTurku studyHopewood house studyTristan da CunhaQuestion 6 of 20 7. In caries reductase test slightly conductive shows which colorBlueRedOrchidPinkQuestion 7 of 20 8. Fluoride containing pit and fissure sealants come under which generationIV generationII generationI generationIII generationQuestion 8 of 20 9. Crude death rate is usually measured per ___________ of population:100000100100010000Question 9 of 20 10. The Community Periodontal index for Treatment Needs is recorded for?QuadrantsOne archSextantsWhole dentitionQuestion 10 of 20 11. Specificity of a test measures:True positivesTrue negativesFalse positivesFalse negativesQuestion 11 of 20 12. Application of Incubation period is all EXCEPTTo find out time for isolationTo differentiate co-primary cases from secondary casesTo find out time for QuarantineTo prevent infection to the contacts of the infected personQuestion 12 of 20 13. Method of identifying missing and supplementing case is patient is:Sentinel SurveillanceNotification systemMonitoringSample registrationQuestion 13 of 20 14. Scalogram is another name forSenatic Differential ScaleThurstone scaleGuttman ScaleLikert ScaleQuestion 14 of 20 15. Student t test - true is?Mean is similarNumber of observation in sample is sameSample is smallSD is similarQuestion 15 of 20 16. Recommended Iodine intake by pregnant women in India is:250 ?g100 ?g50 ?g350 ?gQuestion 16 of 20 17. In a study done in 2014, the socioeconomic status of subjects was associated with incidence of new carious lesions. This type of study design is called:Case controlAnalyticRetrospectiveDescriptiveQuestion 17 of 20 18. World Anti Tobacco Day is?1st Dec5/31/201604-07-20161 NovemeberQuestion 18 of 20 19. In a study done for the evaluation of prevalence of caries in a given population, the ratio of its standard deviation to the mean of data is calledStandard variationCoefficient of varianceStandard error of meanCoefficient of skewnessQuestion 19 of 20 20. When analyzing a small sample with two sets of observations where values of observations are dependent on each other, which test will be used:Fisher F testUnpaired T testPaired T testZ testQuestion 20 of 20 Loading...