1. Scalogram is another name forGuttman ScaleLikert ScaleSenatic Differential ScaleThurstone scaleQuestion 1 of 20 2. Acceptable range of microbial load in water line of dental unit for immunocompromised patient200-400CFU300-600 CFUNo specific limit< 200 CFUQuestion 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. Concentration of fluoride in salt9Oppm275ppm225ppm250ppmQuestion 4 of 20 5. Method of identifying missing and supplementing case is patient is:Sentinel SurveillanceMonitoringNotification systemSample registrationQuestion 5 of 20 6. In an epidemiological study, the first case which comes to the attention of the investigator isPrimary caseSecondary caseIndex caseReference caseQuestion 6 of 20 7. According to concept of primary health centre hilly areas cover a population of10000020000-5000030000Question 7 of 20 8. Student t test - true is?SD is similarMean is similarNumber of observation in sample is sameSample is smallQuestion 8 of 20 9. In Salivary reductase test, slightly conducive caries activity in represented as which colourPinkRedBlueOrchidQuestion 9 of 20 10. Degree of relationship between cause and effect is represented byP valuePower of studyRisk ratioSignificanceQuestion 10 of 20 11. Anti-Rabies vaccine is not indicated in:Rat biteDog biteCat biteMonkey biteQuestion 11 of 20 12. Recall bias is most commonly associated with which study designCase control studyRandomized controlled trialCohort studyCross-sectional studyQuestion 12 of 20 13. Standard error of mean is calculated bySD/ ?nSD/nSD/meanMean/SDQuestion 13 of 20 14. Simplest commonly used method of measuring variation in a population isSDMedianRangeMeanQuestion 14 of 20 15. The avian flu H5N1 has high mortality in humans. However it has not been able to become a pandemic infection. What is the reason:Poor man to man transmissionIt easily spreads in wild birds but not in domestic poultryIt causes serious illness leading to death of the patientIts DNA has avian characteristicsQuestion 15 of 20 16. Which of the following has got the highest fluoride content:FluorprotectorDuraphatAcidulated Phosphate fluorideCasein phosphopeptideQuestion 16 of 20 17. In a positively skewed population distribution with a long tail, which of the following is used as measure of central tendencyMeanModeStandard deviationMedianQuestion 17 of 20 18. Anganwadi Worker (AWW) is appointed for population300002000010005000Question 18 of 20 19. Not true about crude birth rateIt is a measure of fertilityNumerator does not include still births.It is actually a ratio not a rateIt is independent of age of populationQuestion 19 of 20 20. Meta-analysis is helpful in dentistry to:Provide quantitative summary measure from many studiesDecreases publication biasDefine who is at risk of diseaseGuide statistical testing for clinical proceduresQuestion 20 of 20 Loading...