#Practice Set I:
#MBBS II-Community Medicine
#Section “A” – MCQs
(Tick the single best answer)
30 Questions × 1 Mark = 30 Marks
#1. The natural reservoir host of Nipah virus infection is:
A. Rats
B. Pigs
C. Fruit bats (Flying foxes)
D. Poultry
#2. The system of medicine which practices acupuncture is:
A. Chinese Medicine
B. Indian Medicine
C. Greek Medicine
D. Egyptian Medicine
#3. Koplik spots are seen in:
A. Mumps
B. Rubella
C. Measles
D. Chicken pox
#4. The measure of dispersion is:
A. Mean
B. Median
C. Standard deviation
D. Mode
#5. Sustainable Development Goals (SDGs) are to be achieved by:
A. 2020
B. 2025
C. 2028
D. 2030
#6. Sullage refers to:
A. Liquid excreta
B. Wastewater from kitchen
C. By-product of chemical industry
D. Wastewater from industry
#7. The non-modifiable risk factor of non-communicable disease is:
A. Physical inactivity
B. Tobacco use
C. Age
D. Unhealthy diet
#8. Constant presence of a disease or infectious agent within a given geographic area or population group is termed:
A. Epidemic
B. Endemic
C. Sporadic
D. Exotic
#9. The required ppm of iodised salt at production level as per legislation is:
A. 45 ppm
B. 50 ppm
C. 55 ppm
D. 60 ppm
#10. Incidence of disease is best studied in:
A. Cross-sectional study
B. Cohort study
C. Case-control study
D. Meta-analysis
#11. Temporary hearing loss commonly occurs between frequency range of:
A. 1000–2000 Hz
B. 2000–4000 Hz
C. 4000–6000 Hz
D. 6000–8000 Hz
#12. Disease screening belongs to:
A. Primordial prevention
B. Primary prevention
C. Secondary prevention
D. Tertiary prevention
#13. The weight of glucose used in each sachet of ORS is:
A. 13.5 g
B. 3.5 g
C. 0.3 g
D. 23.5 g
#14. The method used for estimation of chlorine demand is:
A. Chlorometer
B. Horrock’s apparatus
C. Berkefeld filter
D. Double pot method
#15. According to demographic cycle, the current stage of Japan is:
A. High stationary stage
B. Declining stage
C. Late expanding stage
D. Low stationary stage
#16. Keeping frequency of disease within acceptable limit is called:
A. Control
B. Eradication
C. Surveillance
D. Treatment
#17. Drug of choice for pneumonia as per CB-IMNCI of Nepal is:
A. Cotrimoxazole
B. Amoxicillin
C. Ampicillin
D. Gentamicin
#18. Changes in occurrence of a disease over long periods of time are called:
A. Epidemics
B. Seasonal trends
C. Cyclical trends
D. Secular trends
#19. Egg is called a “reference protein” because of:
A. High calorie content
B. Increased protein per 100 g
C. Increased biological value and NPU
D. Decreased digestibility coefficient
#20. The case in an outbreak who is first noticed by the health authorities is:
A. Primary case
B. Secondary case
C. Index case
D. Clinical case
#21. Recommended air change per hour in a working room is:
A. 2–3
B. 3–4
C. 4–6
D. 6–8
#22. The cut-off for fast breathing in a 0–2 months child is:
A. ≥ 40 breaths/minute
B. ≥ 50 breaths/minute
C. ≥ 30 breaths/minute
D. ≥ 60 breaths/minute
#23. The best chemical parameter to measure air pollution is:
A. SO₂
B. CO
C. CO₂
D. N₂O
#24. The dose of zinc supplementation for management of diarrhea in a child less than 6 months is:
A. 20 mg/day for 14 days
B. 20 mg/day for 7 days
C. 10 mg/day for 14 days
D. 10 mg/day for 7 days
#25. The period between possible time of detection and actual time of diagnosis is:
A. Lead time
B. Screening time
C. Generation time
D. Serial interval
#26. In dietary survey, one dietary cycle equals:
A. 3 days
B. 7 days
C. 10 days
D. 14 days
#27. The true components of Physical Quality of Life Index (PQLI) are:
A. Literacy rate, birth rate, life expectancy at birth
B. Life expectancy at 1 year, IMR, literacy rate
C. Life expectancy at 5 years, IMR, literacy rate
D. Income, life expectancy at birth, knowledge index
#28. Scabies caused by Sarcoptes scabiei is an example of:
A. Water borne disease
B. Water washed disease
C. Water related disease
D. Water based disease
#29. Socially acquired learned behavior is known as:
A. Custom
B. Culture
C. Habit
D. Attitude
#30. All are indicators of mortality except:
A. Case fatality rate
B. Life expectancy
C. Duration of sickness
D. Standardized death rate