KALOJI NARAYANA RAO UNIVERSITY OF HEALTH SCIENCES
TELANGANA STATE, WARANGAL ? 506 002
MBBS FINAL YEAR PART-I DEGREE SUPPLEMENTARY EXAMINATIONS: APRIL 2026
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COMMUNITY MEDICINEPAPER- I
Time: 3 Hours
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Max Marks: 100Note: Answer all questions
Give Diagrammatic representation wherever necessary
Multiple Choice Questions: 10 X 1 = 10
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1. The analytical study where population is the unit of study is:a) Cross-sectional study
b) Ecological study
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c) Randomized control triald) Cohort study
2. Randomization is useful to eliminate
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a) Observer biasb) Berksonian bias
c) Selection bias
d) Recall bias
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3. Which is not an explanation for cyclic trend disease
a) Herd immunity variations
b) Environmental conditions
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c) Build-up of susceptibles
d) Antigenic variations
4. Which of the following study types is also known as prevalence study?
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a) Longitudinal study
b) Cross-sectional study
c) Double-blind study
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d) Case-control study5. Which of the following is a method to deal with selection bias
a) Precise operation definition of b) Detailed measurement
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variables
protocols
c) Training data collectors
d) Apply same eligibility
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criteria across groups
6. Odds ratio of more than one indicates
a) Odds of exposure among cases b) Exposure is negatively
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is higher than the odds ofassociated with the disease
exposure among controls
c) Odds of exposure among cases d) Odds of exposure among
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is equal to the odds ofcases is lower than the odds
exposure among controls
of exposure among controls
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7. Herd immunity is not important in:a) Polio
b) Diphtheria
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c) Measlesd) Tetanus
8. Virulence of a disease is indicated by
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a) Proportional mortality rateb) Specific mortality rate
c) Case fatality rate
d) Crude death rate
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9. All of the following interventions fall under primary prevention,
except:
a) Health education
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b) Covid vaccinationc) Hearing aid
d) Smoking cessation program
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10. Relative risk is aa) Rate
b) Ratio
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c) Proportiond) None of the above
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Essay/ Long Answer Questions:
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2 X 15 = 30
11. Define the terms Endemic, Epidemic and pandemic. Outline the objectives and
steps involved in the investigations of an Epidemic.
12. Write about Nutritional status assessment?
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Short Answer Questions:7 X 6 = 42
13. Enumerate the Solid Waste Disposal methods and discuss any one in detail.
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14. Vaccination for International Travellers.15. Green House effect.
16. Write in brief about Lathyrism.
17. Types of Screening.
18. Milk borne diseases.
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19. Morbidity indicators of Health.Very Short Answer Questions:
6 X 3 = 18
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20. COVID vaccines.21. International Classification of Diseases (ICD-10).
22. Sentinel surveillance.
23. Methods of household purification of water.
24. Health promotion and specific protection.
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25. Solid waste disposal methods.*****