1. Patient can be diagnosed for improper oral hygiene maintenance byProper dietary historyLactobacillus countSwab testDisclosing agentsQuestion 1 of 20 2. Role of humectant in toothpastes:Anti-bacterialRetain moistureTasteAbrasiveQuestion 2 of 20 3. The no. of death due to oral carcinoma divided by mid-year population?Crude death rateProportional death rateSpecific death rateCase fatality rateQuestion 3 of 20 4. Which of the following is true about Epidemiological survey as compared to clinical trial: 1. Sample size small 2. Cross sectional and longitudinal approach 3. Dental indices are used 4. Control and experimental group2,31,2 and3All are true1,4Question 4 of 20 5. All of the following are true about standard error of mean except:It depends on standard deviation of meanAs the sample size increases, standard error will also increaseBased on normal distributionUsed to estimate confidence limitQuestion 5 of 20 6. Infected waste is disposed in which containerBlueYellowRedBlackQuestion 6 of 20 7. Which of the following exposure carries the maximum risk of transmission of HIV?Needle prickTraits- placentalBlood TransfusionSexual IntercourseQuestion 7 of 20 8. QLF light emits blue colour when it is reflected on carious tooth which light is emitted?GreenVioletBlueRedQuestion 8 of 20 9. The best graphic representation of frequency distribution of data gathered of a continuous variable is:HistogramSimple bar graphMultiple barLine diagramQuestion 9 of 20 10. Screening of oral cancer comes under which level of prevention:PrimordialPrimaryTertiarySecondaryQuestion 10 of 20 11. Problem of recall bias is seen in:CohortEpidemiological studiesCase controlCross sectional studiesQuestion 11 of 20 12. Acceptable range of microbial load in water line of dental unit for immunocompromised patient300-600 CFU200-400CFUNo specific limit< 200 CFUQuestion 12 of 20 13. Richest source of vitamin D isMilkGreen leafy vegetablesFish oilEggQuestion 13 of 20 14. Universal Immunization Programme includes all except:DPTHPVBCGMeaslesQuestion 14 of 20 15. When chlorate in water starts to disappear and free chlorine starts to appear, it is calledFlow pointScreen pointBreak pointEnd pointQuestion 15 of 20 16. A child shows skeletal fluorosis when he is drinking water for a long time with excess fluoride level of:1.5-3 ppm0.5-1 ppm3-6 ppm1-1.5 ppmQuestion 16 of 20 17. Caries promoting mineralIronFluorideTitaniumSeleniumQuestion 17 of 20 18. Metallic taste after application of stannous fluoride varnish is due toCalcium trifluorostannateTin hydroxy phosphateStannic trifluorophosphateStannous trifluorophosphateQuestion 18 of 20 19. Test used to represent difference in heights of students in two different classes in schoolPaired T testUnpaired t testChi squareANOVAQuestion 19 of 20 20. Simplest commonly used method of measuring variation in a population isSDMeanRangeMedianQuestion 20 of 20 Loading...