1. All are Zoonosis except
a. Plague
b. HIV
c. JE
d. TB
2. Demarcation line in iceberg disease is between:
a. Symptomatic and asymptomatic cases
b. Diagnosed and undiagnosed cases
c. Apparent and in-apparent cases
d. Case and carriers
3. Isolation not useful for all except:
a. Mumps
b. Measles
c. Hepatitis A
d. Pneumonic plague
4. All of the following indicators are included in physical
quality of life index (PQLI) except:
a. Infant mortality rate
b. Literacy rate
c. Per capita income
d. Life expectancy at age one
5. Which of the following vaccine is not included in EPI,
schedule :
a. Tetanus Toxid
b. DPT
c. MMR
d. DT
6. Several studies have shown that 85% of cases of lung
cancer are due to cigarette smoking. It is a measure of
a. Incidence rate
b. Relative risk
c. Attributable risk
d. Absolute risk
7. About herd immunity, all are true except
a. Depends on clinical and subclinical cases
b. Influenced by immunization.
c. Depends on the presence of alternative host.
d. Herd immunity is constant.
8. All the statements are true about standardization:
a. Standardization allows comparison to be made between two
different populatins
b. The national population is always taken as the standard
population
c. For Direct standardization, age specific rates of the
study population are applied to that of the standard population
d. For indirect standardization age specific rates of the
standard population are applied to the study population
9. 'Endemic Disease' means that a disease :
a. Occurs clearly in excess of normal expectancy
b. Is constantly present in a given population group
c. Exhibits seasonal pattern
d. Is prevalent among animals
10. All of the following are true about the Herd Immunity
for infectious diseases except :
a. It refers to group protection beyond what is afforded by
the protection of immunized individuals
b. It is likely to be more for infections that do not have a
sub-clinical phase
c. It is affected by the presence and distribution of
alternative animal hosts
d. In the case of tetanus it does not protect the individual
11. Which one of the following is a good index of the
severity of an acute disease ?
a. Cause specific death rate
b. Case fatality rate
c. Standardized mortality ratio
d. Five year survival
12. A study began in 1970 with a group of 5000 adults in
Delhi who were asked about their alcohol consumption. The occurrence of cancer
was studied in this group between 1990-1995. This is an example of :
a. Cross-sectional study
b. Retrospective cohort study
c. Concurrent cohort study
d. Case-control study
13. All of the following are used as proxy measure for
incubation period except:
a. Latent period
b. Period of communicability
c. Serial interval
d. Generation time
Answers –
1. b
2. c.
3. d.
4. c.
5. c.
6. c.
7. d
8. b.
9. b.
10. b
11. b.
12. c.
13. b.
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