1. Vitamin A prophylaxis is an example of

Question 1 of 20

2. A screening test is used in the same way in two similar populations; but the proportion of false positive results among those who test positive in population A is lower than those who test positive in population B. What is the likely explanation?

Question 2 of 20

3. A test has high false positive rate in a community. True is

Question 3 of 20

4. Recently two methods of cPAP: conventional and bubble cPAP were compared. In the conventional method, 90 out of 160 showed extubation failure while 40 out of 160 showed extubation failure in the bubble method. Which test would be the best to compare the statistical significance between the rates of extubation failure in the two tests

Question 4 of 20

5. A child shows skeletal fluorosis when he is drinking water for a long time with excess fluoride level of:

Question 5 of 20

6. A dentist assigns a specific task to be done on a patient to a junior doctor. The dentist remains in the set up while the task is carried out but does not continuously watches the task is being carried out. What is this called:

Question 6 of 20

7. Standard error of mean is calculated by

Question 7 of 20

8. Reliability of a screening test refers to:

Question 8 of 20

9. Saliva contains which of the following acts as defence mechanism for prevention of dental caries

Question 9 of 20

10. STROBE guidelines are applied to:

Question 10 of 20

11. Measure of dispersion in normal distribution from mean is known as

Question 11 of 20

12. Reference ages for pathfinder survey:

Question 12 of 20

13. If prevalence of disease is high in population, requires

Question 13 of 20

14. An orphan population of 7-13 yrs age has been put on facto vegetarian diet, which study it was

Question 14 of 20

15. Anti-Rabies vaccine is not indicated in:

Question 15 of 20

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

Question 16 of 20

17. Food with maximum Cholesterol content

Question 17 of 20

18. Meta-analysis is helpful in dentistry to:

Question 18 of 20

19. According to WHO, which of the following disease is eradicated from the planet:

Question 19 of 20

20. Developing an answer or a solution to an already known problem or a question which can be quantified and analysed is known as:

Question 20 of 20