1. Dentist act was passed in1950195619421945Question 1 of 20 2. Which study is used to evaluate the incidence of caries in 12 years old children in a Madhya Pradesh schoolCross-over trialRCTProspectiveRetrospectiveQuestion 2 of 20 3. Water fluoride concentration in areas with cold weather condition4 ppmMore than 1 ppm1 ppmLess than 0.7 ppmQuestion 3 of 20 4. Adjuvant used in DPT vaccine isAluminiumMagnesiumCopperZincQuestion 4 of 20 5. Study carried out among children of around 12yr age group in an orphan house with less carbohydrate diet isVipeholm studyHopewood house studyTurku studyTristan da CunhaQuestion 5 of 20 6. According to ESI Act 1948, Which of the following is trueFuneral benefit is Rs. 50,000Central government to pay 1/8th of the bill while the ESI would pay 7/8thEmployee has to contribute 4.75% and employer contributes 8.75%Person with daily wage of Rs. 70/- would contribute RS.300/- to ESI monthlyQuestion 6 of 20 7. Comparing means of 3 different groups or datasets is best done by using:One-way ANOVAChi square testt testKruskal wallisQuestion 7 of 20 8. Dmf index isQualitative ordinal dataQualitative discrete dataQuantitative dataNormal dataQuestion 8 of 20 9. 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:DescriptiveRetrospectiveCase controlAnalyticQuestion 9 of 20 10. All of the following are true about cluster sampling except:Samples are similar to those in Simple Random SamplingIt is a type of probability sampleIs a Rapid and simple methodThe sample size may vary according to study designQuestion 10 of 20 11. Which of the following is a commonly used laboratory disinfectant:SoapDilute HCICopper sulphateHypochloriteQuestion 11 of 20 12. A test has high false positive rate in a community. True isLow prevalenceHigh prevalenceHigh sensitivityHigh specificityQuestion 12 of 20 13. The proportion of the population which is included in the study sample is called asReference populationTarget populationSampling frameSampling fractionQuestion 13 of 20 14. 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 Linear RegressionMultiple Logistic RegressionOne way analysis of VarianceQuestion 14 of 20 15. Fluoride containing pit and fissure sealants come under which generationIV generationIII generationII generationI generationQuestion 15 of 20 16. Mean bone density amongst two groups of 50 people each is compared with each other. The test of significance used would be:Student t-testChi-Square testPaired-t-testAnalysis of varianceQuestion 16 of 20 17. Which of the following will cause an increase in the prevalence of diseaseIncreased cure rate of diseaseIncreased death rate in diseaseImmigration of healthy personsLonger duration of diseaseQuestion 17 of 20 18. Live viral vaccine isSalkRabiesHepatitisMeaslesQuestion 18 of 20 19. Which of the following best reflects the highest level of community participationPlanning of intervention by communityProvision of resources by communityCommunity supports and cooperates with workersIntervention based on assessment of communityQuestion 19 of 20 20. Specificity of a test measures:False negativesFalse positivesTrue negativesTrue positivesQuestion 20 of 20 Loading...