1. Power of a statistical test indicates

Question 1 of 20

2. Concentration of fluoride in salt

Question 2 of 20

3. 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:

Question 3 of 20

4. In a study done for the evaluation of prevalence of caries in a given population, the ratio of its standard deviation to the mean of data is called

Question 4 of 20

5. Diameter of adult tooth brush range

Question 5 of 20

6. In a demographic cycle, If death rate is declining but there is no increase in birth rate this population is called as

Question 6 of 20

7. Tetracycline is used in prophylaxis of which of the following diseases

Question 7 of 20

8. Parametric test are all except

Question 8 of 20

9. Reference ages for pathfinder survey:

Question 9 of 20

10. According to concept of primary health centre hilly areas cover a population of

Question 10 of 20

11. Order of disease is

Question 11 of 20

12. Which of the following best reflects the highest level of community participation

Question 12 of 20

13. The no. of death due to oral carcinoma divided by mid-year population?

Question 13 of 20

14. In a dental clinic, auxiliary perform duties after personal diagnosis and direction of dentist and patient is sent after his clearance comes under

Question 14 of 20

15. Incidence rates can be calculated by

Question 15 of 20

16. Which of the following characteristics is not of much importance in a screening test

Question 16 of 20

17. Student t test - true is?

Question 17 of 20

18. Bias can be eliminated by all except:

Question 18 of 20

19. Which of the following conditions does not have a National Screening / Control Programme?

Question 19 of 20

20. The purpose of double blinding in clinical trials is to

Question 20 of 20