Nokea
Define in your own words the term 'risk factor'.
- A. A characteristic or exposure that increases the likelihood of developing a disease.
- B. A factor that decreases disease risk.
- C. A protective measure against illness.
- D. A statistical anomaly in health data.
Correct Answer: A
Rationale: A risk factor is any attribute, characteristic, or exposure that increases the probability of an individual developing a disease or health condition.
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Plotted curve usually begins in the lower left corner
- A. Cumulative frequency curve
- B. Survival curve
- C. Both
- D. Neither
Correct Answer: A
Rationale: Cumulative frequency curves start at the lower left corner.
Accepting null hypothesis when it is false is
- A. Type I error
- B. Type II error
- C. α error
- D. µ error
Correct Answer: B
Rationale: A Type II error occurs when the null hypothesis is incorrectly accepted.
What is likely to be the best routinely available data source for each of the following kinds of studies?
- A. Hospital discharge survey
- B. Cancer registries
- C. National Health Survey
- D. Disease registries
Correct Answer: B
Rationale: Cancer registries are dedicated to collecting data on cancer incidence and outcomes, offering the most precise information on cancer morbidity.
Observation checklist is the................ of data collection
- A. Tool
- B. Method
- C. Manual
- D. Guideline
Correct Answer: A
Rationale: An observation checklist serves as a tool for systematically collecting data during observations.
Nature of common sources epidemic
- A. explosive
- B. slow
- C. static
- D. all
Correct Answer: A
Rationale: Common-source epidemics tend to have explosive patterns with sharp increases in cases.