Download MPMSU MBBS 3rd Year 2023 January Preventive And Social Medicine Paper I Question Paper

1. All questions are compulsory
2. Draw diagrams wherever necessary
3. Answers of Questions and Sub-questions must be written strictly according to the serial order of the question paper
4. MCQs have to be answered in the theory answer book
5. Please write MCQ answers neatly and in serial order with black or blue pen in brackets for example: 1. (a) 2. (b)

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6. MCQs have to be answered only once; any repetition, cutting, erasing, or use of whitener will be considered malpractice. Such answers will not be counted and action will be taken as per UFM rules of the University
7. Subjective answers should be answered in up to 30 words per mark. For example, a 2-mark answer should be answered in up to 60 words.

Time: 3:00 Hours Maximum Marks: 60

Q.1 Total MCQs: 20 20 x 1/2 = 10

1. All of the following are determinants for the essential components to calculate Physical Quality of Life Index (PQLI) except:
   1. Infant mortality rate

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   2. Life expectancy at age one year
   3. Basic literacy rate in population
   4. Life expectancy at birth
2. Which is the best index for burden of disease?
   1. Case fatality rate

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   2. Disability adjusted life years
   3. Dependency ratio
   4. Morbidity data
3. True about prevalence:
   1. It is a ratio

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   2. Prevalence rate is the ideal measure for studying disease etiology or causation
   3. Increases with increase in duration of disease
   4. Decreases with decrease in case fatality
4. Which one of the following is an index of communicability of an infection?
   1. Carrier rate

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   2. Prevalence rate
   3. Secondary attack rate
   4. Primary attack rate
5. About secular trend, true is:
   1. Changes are seen periodically

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   2. Affected by environmental conditions
   3. Changes occur over decades in a particular direction
   4. Vector dynamics is important
6. Current smokers are at higher risk of developing lung cancer as compared to ex-smokers; criticality of causality satisfied here is:
   1. Temporal relationship

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   2. Consistency
   3. Strength of association
   4. Reversibility or reversible association
7. Period between the possible time of detection and the actual time of diagnosis is:
   1. Lead time

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   2. Screening time
   3. Generation time
   4. Serial interval
8. Window period for HIV is
   1. 3-12 weeks

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   2. 8-20 weeks
   3. 6-20 weeks
   4. 10-20 weeks
9. In measles Koplik spot is seen in:
   1. Prodromal stage

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   2. Incubation
   3. Eruptive stage
   4. Convalescent stage
10. Dehydration in a child with diarrhoea, thirst present, tears absent is:
    1. Mild

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    2. Moderate
    3. Severe
    4. None
11. Disinfecting action of chlorine on water is mainly due to:
    1. Hydrogen chloride

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    2. Hypochlorous acid
    3. Hypochlorite ions
    4. Hydrogen ions
12. When total number of deaths due to measles is presented in relation to the total cases of measles, it is best labeled as:
    1. Cause specific death rate

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    2. Case fatality rate
    3. Incidence rate
    4. Proportional mortality
13. The commonest physical health hazard in most industries is:
    1. Heat

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    2. Noise
    3. Humidity
    4. Ionizing radiation
14. The most commonly described anomalies associated with congenital rubella include all the following except:
    1. Cataracts

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    2. Sensorineural deafness
    3. Microcephaly
    4. Patent ductus arteriosus
15. Herd immunity is commonly seen in one of the following diseases:
    1. Poliomyelitis

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    2. Leprosy
    3. Malaria
    4. HIV
16. ASHA (Accredited Social Health Activist) works at
    1. Community level

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    2. Village level
    3. PHC
    4. District level
17. Nalgonda technique is used in
    1. Endemic fluorosis

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    2. Epidemic dropsy
    3. Endemic ascites
    4. Neurolathyrism
18. The Biological Oxygen Demand indicates
    1. Organic matter

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    2. Bacteria content
    3. Anaerobic bacteria
    4. Chemicals
19. Incidence is calculated by
    1. Retrospective study

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    2. Prospective study
    3. Cross sectional study
    4. Random study
20. Schick test does not indicate:
    1. Immunity to diphtheria

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    2. Susceptibility to diphtheria
    3. Hypersensitivity to diphtheria
    4. Carrier of diphtheria

Q.2 Long Answer Questions (4 x 5 = 20)

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1. What is analytical epidemiology? Describe the steps involved in case-control studies.
2. Discuss epidemiology and control of malaria in India.
3. Steps of investigating an Epidemic.
4. Discuss concept of prevention, explaining levels of prevention and modes of intervention giving examples of each.

Q.3 Short Answer Questions (4 x 3 = 12)

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1. Web of causation of disease.
2. Cold chain system.
3. Validity of screening test.
4. Provision of health-related benefits under employees' state insurance Acts.

Q.4 Very Short Answer Questions (9 x 2 = 18)

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1. Social security
2. Superchlorination
3. Quarantine
4. Dengue shock syndrome
5. Post exposure prophylaxis for HIV

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6. National immunization schedule
7. In the medical OPD of teaching hospital of Medical College, diastolic blood pressures of 10 patients were as follows: 80, 75, 81, 79, 71, 95, 75, 77, 84 & 90. Calculate Mean
8. Vaccines for prevention of rabies.
9. What are the modifiable risk factors for hypertension.

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