RUHS
Third Year MBBS Examination
III MBBS Community Medicine Paper I
Time: 3 hours Max Marks: 60
Date: 09-11-2020

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Instructions: INSTRUCTIONS: Attempt all
questions in both sections: (Use separate
answer book for each section)
Section 1
1. Define epidemiology, Describe stepwise

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how you will investigate an epidemic of
Swine flu in urban slum of Rajasthan.
2. Write as required below: 4 x 2? = (10)
10
a) Compare and contrast:

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(10)
Attributable risk and relative risk.
(A.83)
b) Compare and contrast:
Observational study and interventional

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study

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c) Compare and contrast: Sentinel
surveillance and routine surveillance.
(A.45)
d) PQLI (A.17)

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3. Describe briefly: 4 x 2? = 10
a) Write down the differences
(10)
between screening test & diagnostic
test.

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b) Advantages and disadvantages of
cohort study.
c) Ice berg phenomenon. (A. 37)
d) Secondary attack rate. (A.105)
4. Attempts within 20-25 words: 10 x 1 =

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10
a) Herd immunity (A.107)
(10)
b) Disinfection(A.136)
c) Primary case and index case

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d) Rates and ratio
e) Enumerates modes of interventions
in relation to the natural history of
disease.

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f) Primordial prevention (A.45)

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g) AEFI
h) Active and passive immunity
(A.107)
i) "Healthy carrier"
j) Define Nosocomial infection

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Section 2
5. Enumerate the indicator of Air
pollution. Describe the effect of Air
pollution & its prevention And control.
(A.775)

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6. Described briefly: 4 x 2? = 10
(10)
a) Pre placement and periodical
(10)
examination in prevention of

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occupational disease. (A.850)
b) Occupational hazards of health care
workers. (A.789)
c) Role of human factors in Road traffic
accidents(A.522)

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d) Classify the water borne diseases(A.

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747)
7. Write in short: 4 x 2? = 10
a) Housing and health.
(10)

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b) Preventive measures for life style
related diseases(A.382).
c) Preventive measures for vector borne
diseases.
d) Obesity and its prevention.

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8. Attempts within 20-25 words: 10 x 1 =
10
a) Sickness obsentism. (A.847)
(10)
b) Ergonomics. (A.840)

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c) What is randomized control trial?
d) Super chlorination. (A. 752)
e) Enumerate disease transmitted by
hard tick.
f) Pneumoconiosis & tuberculosis.

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g) Population based cancer registry and
its objectives.
h) Enumerate dose schedule of intra
dermal rabies vaccine in human.

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(A.296,297)

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i) Notifiable diseases.
j) Lists any four Human factors in
accidents.

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Document Outline

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