1. In a demographic cycle, If death rate is declining but there is no increase in birth rate this population is called asHigh stationaryEarly expandingLow stationaryDecliningQuestion 1 of 20 2. Mean bone density amongst two groups of 50 people each is compared with each other. The test of significance used would be:Paired-t-testChi-Square testStudent t-testAnalysis of varianceQuestion 2 of 20 3. According to Dunning classification, the screening procedure only using tongue depressor and available illumination inspection in school children and to identify the treatment needsType 4Type 3Type 2Type 1Question 3 of 20 4. Cavity conditioning in ART is done by37% Phosphoric AcidPetroleum Jelly10% Polyacrylic AcidCocoa ButterQuestion 4 of 20 5. Simplest commonly used method of measuring variation in a population isRangeMedianSDMeanQuestion 5 of 20 6. In epidemiology, a sample is:Small group of people representing the populationA group of people in a small areaRepresents each individualRepresents a small group of people of low socio-economic statusQuestion 6 of 20 7. Study carried out among children of around 12yr age group in an orphan house with less carbohydrate diet isTurku studyTristan da CunhaHopewood house studyVipeholm studyQuestion 7 of 20 8. When an outcome is compared with intended objectives, it is called as -Input-Output analysisMonitoringNetwork analysisEvaluationQuestion 8 of 20 9. The recent spread of Swine flu was in the news, this type of transmission can be termed:EpidemicSporadicPandemicEndemicQuestion 9 of 20 10. Diameter of adult tooth brush range0.004-0.0070.007-0.0150.010-0.0120.006-0.009Question 10 of 20 11. Study done on a group of patients showed coefficient of variance for BP and serum creatinine to be 20% & 15% respectively. Inference is that:Variation in serum creatinine is more than in BPStandard deviation of BP is more than of creatinineStandard deviation of creatinine is more than of BP.Variation in BP is more than in serum creatinine.Question 11 of 20 12. Which of the following is true about Epidemiological survey as compared to clinical trial: 1. Sample size small 2. Cross sectional and longitudinal approach 3. Dental indices are used 4. Control and experimental group2,31,2 and3All are true1,4Question 12 of 20 13. A child shows skeletal fluorosis when he is drinking water for a long time with excess fluoride level of:1-1.5 ppm3-6 ppm0.5-1 ppm1.5-3 ppmQuestion 13 of 20 14. Which of the following characteristics is not of much importance in a screening testLow costHigh safety marginHigh specificityHigh sensitivityQuestion 14 of 20 15. Role of humectant in toothpastes:Anti-bacterialAbrasiveTasteRetain moistureQuestion 15 of 20 16. Which of the following statements about confidence limits/ interval is true:Less variable the data, wider will be the confidence intervalSample size does not affect the confidence intervalSmaller the confidence level larger will be the confidence interval95% confidence interval will cover 2 standard errors around the meanQuestion 16 of 20 17. 85% of lung cancer among smokers was due to their smoking. This is an example ofRelative riskAttributable riskOdds ratioPopulation attributable risk.Question 17 of 20 18. Sequence of contents in scientific report of oral health survey:Introduction, Aim, materials and methods, resultsAim, Materials and methods, result, conclusionIntroduction, Materials and methods, result, discussionReview of literature, Aim, methods and material, resultsQuestion 18 of 20 19. Carry over effect is seen inConcurrent parallel trialCase control studyCohort studyCross over studyQuestion 19 of 20 20. World Anti Tobacco Day is?5/31/20161 Novemeber1st Dec04-07-2016Question 20 of 20 Loading...
