Public Health Dentistry #11

1. Provision of integrated preventive, curative and promotional health services are part of

Primary healthcare system

Comprehensive health care system

Basic health care

Universal healthcare

Question 1 of 20

2. Recommended concentration of fluoride in school water fluoridation is

2 ppm

1 ppm

12 ppm

4 ppm

Question 2 of 20

3. Which amongst the following is simplest most commonly used to describe the variation in a quantitative sample

Mode

Range

Standard deviation

Mean

Question 3 of 20

4. Occurrence of malocclusion in a given population termed as?

Prevalence

Incidence

Probability

Mortality

Question 4 of 20

5. Which of the following carbohydrate has no nutritive value:

Sucrose

Cellulose

Starch

Fructose

Question 5 of 20

6. Comparing means of 3 different groups or datasets is best done by using:

Kruskal wallis

t test

Chi square test

One-way ANOVA

Question 6 of 20

7. Specificity of a test measures:

False negatives

False positives

True negatives

True positives

Question 7 of 20

8. Concentration of fluoride in salt

250ppm

225ppm

9Oppm

275ppm

Question 8 of 20

9. Sequence of contents in scientific report of oral health survey:

Introduction, Materials and methods, result, discussion

Review of literature, Aim, methods and material, results

Aim, Materials and methods, result, conclusion

Introduction, Aim, materials and methods, results

Question 9 of 20

10. 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

Paired t test

Student t test

Chi square test

ANOVA

Question 10 of 20

11. Student t test - true is?

Number of observation in sample is same

Sample is small

Mean is similar

SD is similar

Question 11 of 20

12. A pregnant lady uses fluoridated drinking water. All of the following are true regarding exposure of the fetus to fluoride except:

Placenta acts as a regulator and increases the concentration of fluoride reaching the fetus

Placenta acts as a regulator and reduces the concentration of fluoride reaching the fetus

Placenta has no role in fluoride regulation to fetus

Placenta acts as a barrier to fluoride ions

Question 12 of 20

13. All of the following statements regarding disposal of biomedical waste are true, Except

Blue bags contents are disposed in secured landfill

Block bags are used for disposal of ash from incineration

Contents from a Red bag may be a source of contamination

Human Anatomical Waste is disposed in a Yellow bag

Question 13 of 20

14. An active carious lesion can be stopped from progression by application of which of the following:

NaF

APF

SnF

Silver diamine fluoride

Question 14 of 20

15. Ideal requirement of pit and fissure sealant is

Thermal conductivity is higher than tooth

Less volatility

Adequate working time

Moderate water solubility and dissolution

Question 15 of 20

16. A test comes negative but the disease was present in subject. This is

False positive

True negative

False negative

True positive

Question 16 of 20

17. Which one of the following vaccines is contraindicated in pregnancy

MMR

None

Rabies

Hep B

Question 17 of 20

18. A high school child trained to teach dentistry to elementary children in school

SHARP

Tattle tooth program

THETA

Askov

Question 18 of 20

19. Reference ages for pathfinder survey:

7 yrs, 12 yrs, 35-44 yrs, 65-74 yrs

3 yrs, 12 yrs, 35-44 yrs, 60-74 yrs

6 yrs, 12 yrs, 35-44 yrs, 65-74 yrs

5 yrs, 12 yrs, 35-44 yrs, 65-74 yrs

Question 19 of 20

20. Which of the following is most strongly associated with coronary heart disease?

VLDL

Total lipoproteins

Apolipoproteins

HDL

Question 20 of 20