Nokea
Vitiate value which repeats maximum number of times is known as:
- A. Mean
- B. Median
- C. Mode
- D. Average
Correct Answer: C
Rationale: The mode is the value that appears most frequently in a dataset.
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When analyzing surveillance data by age, which age groups are preferred?
- A. 1-year age groups
- B. 5-year age groups
- C. 10-year age groups
- D. Depends on the disease
Correct Answer: D
Rationale: The choice of age grouping depends on the disease being studied and the population structure.
What is meant by determinants in epidemiology?
- A. Factors influencing disease occurrence.
- B. Only genetic factors.
- C. Only environmental factors.
- D. Only behavioral factors.
Correct Answer: A
Rationale: Determinants encompass all factors—biological, environmental, and social—that contribute to disease occurrence.
What is the incidence of disease during July?
- A. 3 / 700
- B. 4 / 700
- C. 5 / 700
- D. 8 / 700
Correct Answer: A
Rationale: Incidence counts only new cases during a time period.
One of the main functions of DPHO is
- A. To increase community participation in health sector
- B. To manage the Health post in districts
- C. Health promotion and hospital management
- D. Supervision and control of sub-health post
Correct Answer: D
Rationale: DPHO primarily oversees and supervises sub-health posts.
Horizontal line drawn from 50% tick mark to plotted curve intersects at median
- A. Cumulative frequency curve
- B. Survival curve
- C. Both
- D. Neither
Correct Answer: A
Rationale: This feature describes cumulative frequency curves where the median is identified.