1. Bias can be eliminated by all except:BlindingMatchingRandomizationMultivariate analysisQuestion 1 of 20 2. Acceptable range of microbial load in water line of dental unit for immunocompromised patientNo specific limit200-400CFU300-600 CFU< 200 CFUQuestion 2 of 20 3. Fluoride containing pit and fissure sealants come under which generationI generationIV generationII generationIII generationQuestion 3 of 20 4. Xylitol isLow caloric artificial sweetenerCaloric sweetenerNon caloric sweetenerLow caloric natural sweetenerQuestion 4 of 20 5. Student t test - true is?SD is similarMean is similarSample is smallNumber of observation in sample is sameQuestion 5 of 20 6. According to ESI Act 1948, Which of the following is trueEmployee has to contribute 4.75% and employer contributes 8.75%Central government to pay 1/8th of the bill while the ESI would pay 7/8thFuneral benefit is Rs. 50,000Person with daily wage of Rs. 70/- would contribute RS.300/- to ESI monthlyQuestion 6 of 20 7. Not true about propagated epidemicsSharp rise and decrease sharplyMultiple waves of epidemicPerson to person transmissionHerd immunity presentQuestion 7 of 20 8. All the following indicators are included in physical quality of life Index (PQLI) exceptLife expectancy at age oneLiteracy ratePer capita incomeInfant mortality rateQuestion 8 of 20 9. Anganwadi Worker (AWW) is appointed for population200003000010005000Question 9 of 20 10. Measure of dispersion in normal distribution from mean is known asVarianceStandard deviationRangeMedianQuestion 10 of 20 11. The pattern of change of disease trends of mortality and morbidity where the pandemics of infection. are replaced by degenerative and manmade disorders as the main cause of morbidity and mortality is known as:Reversal of transitionEpidemiological transitionParadoxical transitionDemographic transitionQuestion 11 of 20 12. Which epidemiological study gives the most accurate result?Meta analysisRandomized control trial with double blindingCross-sectional studyCohort studyQuestion 12 of 20 13. In a normal distribution, 99.73% of the population is covered within how many SD3241Question 13 of 20 14. According to Dunning classification, the screening procedure only using tongue depressor and available illumination inspection in school children and to identify the treatment needsType 1Type 3Type 2Type 4Question 14 of 20 15. All of the following studies are analytical, ExceptEcological studiesCohort studiesField trialsCase control studiesQuestion 15 of 20 16. Which of these is a parametric testWilcoxon signed rank TestChi-Square TestMann-Whitney U TestT-TestQuestion 16 of 20 17. When an outcome is compared with intended objectives, it is called as -MonitoringEvaluationNetwork analysisInput-Output analysisQuestion 17 of 20 18. In which of the following disease, the overall survival is increased by screening procedureColon CaLung CancerProstate CaOvarian CaQuestion 18 of 20 19. Recommended Iodine intake by pregnant women in India is:350 ?g250 ?g50 ?g100 ?gQuestion 19 of 20 20. Forecast of probable cause and outcome of an attack of the disease and prospects of recovery as indicated by nature of disease and symptoms of the caseRiskPrognosisTreatmentDiagnosisQuestion 20 of 20 Loading...