1. Measure of dispersion in normal distribution from mean is known asVarianceRangeStandard deviationMedianQuestion 1 of 20 2. The recent spread of Swine flu was in the news, this type of transmission can be termed:PandemicEpidemicEndemicSporadicQuestion 2 of 20 3. Highest amount of saturated fatty acid is seen inSoyabean oilGroundnut oilSunflower oilPalm oilQuestion 3 of 20 4. Vitamin A prophylaxis is an example ofHealth promotionDisability limitationSpecific protectionPrimordial preventionQuestion 4 of 20 5. Late expanding stage of population in India is due to?Birth rate declines, death rate sameDeath rate declines more than birth rateBirth rate stationary, death rate continues to fallBirth rate is less than death rateQuestion 5 of 20 6. Enameloplasty1/3 of enamel is removed1/4 of enamel is removed1/2 of enamel is removedFissures are broadened and made self-cleansableQuestion 6 of 20 7. In epidemiology, a sample is:Represents each individualA group of people in a small areaSmall group of people representing the populationRepresents a small group of people of low socio-economic statusQuestion 7 of 20 8. Which of the following is not an accepted method of randomizationLotteryRandom number tableComputer drawn randomizationOdd/even day hospital admissionQuestion 8 of 20 9. Study carried out among children of around 12yr age group in an orphan house with less carbohydrate diet isVipeholm studyTristan da CunhaHopewood house studyTurku studyQuestion 9 of 20 10. According to WHO, which of the following disease is eradicated from the planet:Small poxMeaslesYellow feverChicken poxQuestion 10 of 20 11. All of the following studies are analytical, ExceptEcological studiesCohort studiesCase control studiesField trialsQuestion 11 of 20 12. Which of the following is an example of an observational study:Field trialsRandomized controlled trialsCommunity trialsCase control studyQuestion 12 of 20 13. 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:ANOVAMultiple Logistic RegressionOne way analysis of VarianceMultiple Linear RegressionQuestion 13 of 20 14. A child shows skeletal fluorosis when he is drinking water for a long time with excess fluoride level of:3-6 ppm0.5-1 ppm1.5-3 ppm1-1.5 ppmQuestion 14 of 20 15. In a disease process, probability of correctly identifying case of disease isReliabilitySensitivitySpecificityValidityQuestion 15 of 20 16. An active carious lesion can be stopped from progression by application of which of the following:Silver diamine fluorideAPFNaFSnFQuestion 16 of 20 17. Order of disease isImpairment (I) Disability (D) Handicap (H)DHIHDIDIHQuestion 17 of 20 18. Meta-analysis is helpful in dentistry to:Decreases publication biasProvide quantitative summary measure from many studiesDefine who is at risk of diseaseGuide statistical testing for clinical proceduresQuestion 18 of 20 19. Shortest incubation period is seen in:Hepatitis AInfluenzaRubellaHepatitis BQuestion 19 of 20 20. Which of the following conditions does not have a National Screening / Control Programme?Dental cariesRefractive errorsDiabetes MellitusCarcinoma cervixQuestion 20 of 20 Loading...