1. Iceberg phenomenon differentiatesCases & carriersDiagnosed and undiagnosedSymptomatic & asymptomaticApparent & inapparentQuestion 1 of 20 2. Method of identifying missing and supplementing case is patient is:Sentinel SurveillanceMonitoringNotification systemSample registrationQuestion 2 of 20 3. In Salivary reductase test, slightly conducive caries activity in represented as which colourOrchidBlueRedPinkQuestion 3 of 20 4. Isolation is strictly recommended forMumpsMeaslesHepatitis APneumonic plagueQuestion 4 of 20 5. Which of the following statements about confidence limits/ interval is true:Sample 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 meanLess variable the data, wider will be the confidence intervalQuestion 5 of 20 6. In 3x3 table, the degree of freedom is6349Question 6 of 20 7. If prevalence of disease is high in population, requiresNo screeningMedium screeningHigh screeningLow level screeningQuestion 7 of 20 8. Residence of three village with three different types of water supply were asked to participate in a study to identify cholera carrier. Because several cholera deaths had occurred in the recent past, virtually everyone present at the time submitted to examination. The proportion of residents in each village who were carriers was computed and compared. This study is a:Concurrent cohort studyCase-control studyNon-concurrentCross- sectional studyQuestion 8 of 20 9. Application of fluoride varnish after luting a crown has which of the following beneficial action:Reduces the peripheral sealRemoves fluorides from enamelAllows dissolution of marginal cementProvides desensitizing actionQuestion 9 of 20 10. Student t test - true is?SD is similarMean is similarSample is smallNumber of observation in sample is sameQuestion 10 of 20 11. Mean respiratory rate in different kind of smokers and nonsmokers, categorized as four categories mild, moderate, heavy and nonsmoker. test used to assess the means between them -Two way ANOVAOne way ANOVAChi square testStudent t testQuestion 11 of 20 12. Ideal requirement of pit and fissure sealant isThermal conductivity is higher than toothLess volatilityAdequate working timeModerate water solubility and dissolutionQuestion 12 of 20 13. All of the following are applications of knowing the incubation period of a disease exceptTo determine the period of isolationTo differentiate among secondary cases and co-primary casesTo prevent infection amongst contacts of the infected personTo determine the period of quarantineQuestion 13 of 20 14. A child shows skeletal fluorosis when he is drinking water for a long time with excess fluoride level of:0.5-1 ppm3-6 ppm1.5-3 ppm1-1.5 ppmQuestion 14 of 20 15. Diameter of adult tooth brush range0.007-0.0150.010-0.0120.004-0.0070.006-0.009Question 15 of 20 16. Ability of screening test to correctly identify the diseaseSpecificityNegative predictiveSensitivityPositive predictiveQuestion 16 of 20 17. Helsinki declaration is forEthical duties and rules for dentists in general practiceEthical duties for biomedical research involving human subjectsEthical duties and rules for physicians in general practiceAll of the aboveQuestion 17 of 20 18. World Anti Tobacco Day is?1 Novemeber1st Dec04-07-20165/31/2016Question 18 of 20 19. The purpose of double blinding in clinical trials is toAvoid observer biasAvoid subject biasAchieve comparability between study and controlAvoid observer and subject biasQuestion 19 of 20 20. Which study is used to evaluate the incidence of caries in 12 years old children in a Madhya Pradesh schoolRCTCross-over trialProspectiveRetrospectiveQuestion 20 of 20 Loading...
