#Practice Set III: MBBS II-Community Medicine
(Tick the single best answer)
30 Questions × 1 Mark = 30 Marks
#1. Smallpox vaccine was introduced by:
A. Paul Ehrlich
B. Robert Koch
C. Louis Pasteur
D. Edward Jenner
#2. When a child has lost his hands and is unable to perform routine activities, this condition is termed:
A. Handicap
B. Disability
C. Impairment
D. Battered baby syndrome
#3. In a population, prevention of coronary artery disease by changing harmful lifestyles through education is referred to as:
A. High risk strategy
B. Primary prevention
C. Secondary prevention
D. Tertiary prevention
#4. Secular trends are:
A. Progressive changes occurring over a long period of time
B. Explosion of changes in a limited span of time
C. Periodic changes occurring over a long period
D. Sudden epidemic of new occurrence
#5. Matching in epidemiological studies is done to remove:
A. Selection bias
B. Observational bias
C. Sampling error
D. Confounding factors
#6. Incidence rate is best measured by:
A. Case-control study
B. Cohort study
C. Cross-sectional study
D. Cross-over study
#7. Additional calorie requirement during lactation is approximately:
A. 550 kcal
B. 440 kcal
C. 300 kcal
D. 130 kcal
#8. The vitamin that prevents congenital neural tube defects is:
A. Thiamine
B. Riboflavin
C. Pyridoxine
D. Folic acid
#9. Vitamin deficiency commonly seen in measles is:
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
#10. The purest form of natural water is:
A. River water
B. Rain water
C. Deep well water
D. Impounding reservoirs
#11. Total number of Sustainable Development Goals (SDGs) is:
A. 15
B. 16
C. 17
D. 18
#12. The toxin responsible for lathyrism is:
A. Aflatoxin
B. BOAA
C. Pyruvic acid
D. Sanguinarine
#13. Quarantine period should be equal to:
A. Minimum incubation period
B. Maximum incubation period
C. Period of communicability
D. Median incubation period
#14. All are true regarding composition of new ORS except:
A. NaCl – 2.6 g/L
B. KCl – 1.5 g/L
C. Glucose – 13.5 g/L
D. Total osmolarity – 300 mmol/L
#15. Extension phase of a nuclear family begins with:
A. Marriage
B. Birth of the first child
C. Birth of the second child
D. Marriage of the first child
#16. Modified Kuppuswamy scale for measuring socioeconomic status is based on all except:
A. Income
B. Power
C. Education
D. Occupation
#17. In a child aged 2–12 months, the respiratory rate cut-off to diagnose pneumonia is:
A. ≥ 60/min
B. ≥ 50/min
C. ≥ 40/min
D. ≥ 30/min
#18. The cognitive domain of learning is primarily concerned with:
A. Physical skills
B. Emotional intelligence
C. Intellectual abilities
D. Social interactions
#19. Koplik's spots are diagnostic of:
A. Rubella
B. Whooping cough
C. Measles
D. Meningitis
#20. The drug of choice for pneumonia as per CB-IMNCI is:
A. Amoxicillin
B. Cotrimoxazole
C. Ciprofloxacin
D. Azithromycin
#21. All are indicators of mortality except:
A. Case fatality rate
B. Life expectancy
C. Duration of sickness
D. Standardized death rate
#22. 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
#23. The period between possible time of detection and actual time of diagnosis is called:
A. Lead time
B. Screening time
C. Generation time
D. Serial interval
#24. Concluding that hospital-managed cases have higher mortality without considering other factors is an example of:
A. Indirect association
B. Relative risk
C. Spurious association
D. Attributable risk
#25. Index case is the:
A. First case in a community
B. Case infected from primary case
C. Case infected from secondary case
D. First case detected by investigator
#26. According to demographic cycle, Japan is currently in:
A. High stationary stage
B. Declining stage
C. Late expanding stage
D. Low stationary stage
#27. Prevalence of disease is best studied in:
A. Cross-sectional study
B. Cohort study
C. Case-control study
D. Meta-analysis
#28. Sullage refers to:
A. Liquid excreta
B. Wastewater from kitchen
C. By-product of chemical industry
D. Wastewater from industry
#29. 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
#30. Constant presence of a disease within a given geographic area is termed:
A. Epidemic
B. Endemic
C. Sporadic
D. Exotic