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Which of the following is the best indicator of health status of a community?
- A. Birth rate
- B. Infant mortality rate
- C. Crude death rate
- D. None of the above
Correct Answer: B
Rationale: Infant Mortality Rate (IMR) is widely regarded as a sensitive indicator of the health status of a community, reflecting access to healthcare, nutrition, and living conditions.
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Which surveillance can watch for disease before patient seeks care?
- A. Surveillance based on a specific case definition for a disease(e.g., listeriosis).
- B. Syndromic surveillance based on symptoms, signs, or other characteristics of a disease.
- C. Both.
- D. Neither.
Correct Answer: B
Rationale: Syndromic surveillance detects outbreaks based on early symptoms reported even before patients seek medical care.
In the study of COPD which test will be suitable:
- A. Z test
- B. t- test
- C. chi-square test
- D. anova test
Correct Answer: B
Rationale: T-tests are commonly used to compare means in studies like those evaluating COPD treatments.
30 babies were born in hospital, 10 were less than 2.5 kg and 20 were greater than 2.5 kg the average is
- A. Arithmetic mean
- B. Median
- C. Geometric mean
- D. Mode
Correct Answer: B
Rationale: The median divides the data into two equal parts, making it suitable here.
M.S in Public Health in IOM was started in
- A. 1991
- B. 1988
- C. 1993
- D. 1992
Correct Answer: A
Rationale: The MS in Public Health program at IOM began in 1991.
How does the 'healthy worker effect' influence the interpretation of findings from occupational health research?
- A. It tends to decrease mortality differences between workers and the general population.
- B. It tends to increase mortality differences between workers and the general population.
- C. It has no impact on mortality comparisons.
- D. It only affects morbidity rates.
Correct Answer: A
Rationale: The healthy worker effect biases comparisons because workers are generally healthier than the general population, reducing apparent mortality differences.