1. n-3 PUFA is present in all except:Groundnut oilFish oilCorn oilMustard oilQuestion 1 of 20 2. Ability of screening test to correctly identify the diseaseSensitivitySpecificityNegative predictivePositive predictiveQuestion 2 of 20 3. Which of the following conditions does not have a National Screening / Control Programme?Diabetes MellitusDental cariesRefractive errorsCarcinoma cervixQuestion 3 of 20 4. Which amongst the following is simplest most commonly used to describe the variation in a quantitative sampleRangeModeMeanStandard deviationQuestion 4 of 20 5. Fourth generation pit and fissure sealants are:Colored sealantsHigh viscosity sealantsFluoride releasingUV light curedQuestion 5 of 20 6. Cavity conditioning in ART is done byCocoa Butter10% Polyacrylic Acid37% Phosphoric AcidPetroleum JellyQuestion 6 of 20 7. In an epidemiological study, the first case which comes to the attention of the investigator isPrimary caseIndex caseSecondary caseReference caseQuestion 7 of 20 8. In Salivary reductase test, slightly conducive caries activity in represented as which colourOrchidRedBluePinkQuestion 8 of 20 9. Power of a statistical test indicatesThe ability of a test to accept a null hypothesis when it is trueThe ability of a test to accept a null hypothesis when it is falseThe ability of a test to reject a null hypothesis when it is falseThe ability of a test to reject a null hypothesis when it is falseQuestion 9 of 20 10. 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 10 of 20 11. A pregnant lady uses fluoridated drinking water. All of the following are true regarding exposure of the fetus to fluoride except:Placenta acts as a regulator and increases the concentration of fluoride reaching the fetusPlacenta acts as a barrier to fluoride ionsPlacenta has no role in fluoride regulation to fetusPlacenta acts as a regulator and reduces the concentration of fluoride reaching the fetusQuestion 11 of 20 12. Comprehensive school based dental care for whole country is adopted byNew ZealandUSAAustraliaSwedenQuestion 12 of 20 13. Double pot is method ofFluoridationChlorinationOzonisationDefluoridationQuestion 13 of 20 14. Which of the following is a commonly used laboratory disinfectant:Copper sulphateHypochloriteDilute HCISoapQuestion 14 of 20 15. Screening of oral cancer comes under which level of prevention:PrimordialSecondaryPrimaryTertiaryQuestion 15 of 20 16. In calculating Dependency Ratio, the numerator is expressed as :Population under 10 years and 65 and abovePopulation under 15 years and 65 and abovePopulation under 15 years and 60 and above.Population under 10 years and 60 and above.Question 16 of 20 17. Tetracycline is used in prophylaxis of which of the following diseasesMeningitisCholeraBrucellosisLeptospirosisQuestion 17 of 20 18. Not true about crude birth rateIt is independent of age of populationNumerator does not include still births.It is a measure of fertilityIt is actually a ratio not a rateQuestion 18 of 20 19. Which of the following statements about confidence limits/ interval is true:Sample size does not affect the confidence interval95% confidence interval will cover 2 standard errors around the meanSmaller the confidence level larger will be the confidence intervalLess variable the data, wider will be the confidence intervalQuestion 19 of 20 20. Consort statement is applicable forCross Sectional StudiesCare Control StudiesCohort StudiesRandomized Controlled TrialQuestion 20 of 20 Loading...
