Public Health Dentistry #5

1. Which of the following statements regarding live vaccines is false :

Two live vaccines cannot be administered simultaneously

Live vaccine contains both major and minor antigens

Booster doses are not required when live vaccines are administered

Single dose gives lifelong immunity

Question 1 of 20

2. Space maintainers belong to which level of prevention

Primary prevention

Health promotion

Disability limitation

Specific protection

Question 2 of 20

3. A Dental health survey in a community helps to establish what type of needs of the population:

Normative needs

Expressed needs

Perceived needs

Felt needs

Question 3 of 20

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

Dental caries

Diabetes Mellitus

Refractive errors

Carcinoma cervix

Question 4 of 20

5. Isolation is strictly recommended for

Hepatitis A

Mumps

Pneumonic plague

Measles

Question 5 of 20

6. Late expanding stage of population in India is due to?

Birth rate is less than death rate

Birth rate declines, death rate same

Death rate declines more than birth rate

Birth rate stationary, death rate continues to fall

Question 6 of 20

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

30000

50000

20000-

100000

Question 7 of 20

8. All of the following are true about standard error of mean except:

It depends on standard deviation of mean

Based on normal distribution

Used to estimate confidence limit

As the sample size increases, standard error will also increase

Question 8 of 20

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

Comprehensive health care system

Primary healthcare system

Basic health care

Universal healthcare

Question 9 of 20

10. First and foremost, step in biomedical waste disposal is:

Incineration

Segregation

Decontamination

Proper disposal

Question 10 of 20

11. Iceberg phenomenon differentiates

Cases & carriers

Symptomatic & asymptomatic

Apparent & inapparent

Diagnosed and undiagnosed

Question 11 of 20

12. Concentration of fluoride in salt

9Oppm

225ppm

275ppm

250ppm

Question 12 of 20

13. Application of fluoride varnish after luting a crown has which of the following beneficial action:

Provides desensitizing action

Reduces the peripheral seal

Removes fluorides from enamel

Allows dissolution of marginal cement

Question 13 of 20

14. An investigator wants to study the association between maternal intake of iron supplements (Yes/ No) and birth weights (in gms) of newborn babies. He collects relevant data from 100 pregnant women and their newborns. What statistical test of hypothesis would you advise for the investigator in this situation?

Analysis of Variance

Paired t-test

Chi-Square test

Unpaired or independent t-test

Question 14 of 20

15. According to ESI Act 1948, Which of the following is true

Funeral benefit is Rs. 50,000

Employee has to contribute 4.75% and employer contributes 8.75%

Person with daily wage of Rs. 70/- would contribute RS.300/- to ESI monthly

Central government to pay 1/8th of the bill while the ESI would pay 7/8th

Question 15 of 20

16. How many demographic cycles are there in the world

Question 16 of 20

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

t test

Chi square test

One-way ANOVA

Kruskal wallis

Question 17 of 20

18. Water fluoride concentration in areas with cold weather condition

4 ppm

Less than 0.7 ppm

More than 1 ppm

1 ppm

Question 18 of 20

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

High safety margin

Low cost

High specificity

High sensitivity

Question 19 of 20

20. All of the following are applications of knowing the incubation period of a disease except

To determine the period of isolation

To differentiate among secondary cases and co-primary cases

To determine the period of quarantine

To prevent infection amongst contacts of the infected person

Question 20 of 20