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What methods are commonly used for surveillance data collection?
- A. Vital registration.
- B. Randomized clinical trials.
- C. Disease notifications.
- D. Population surveys.
Correct Answer: D
Rationale: Population surveys provide valuable data on health-related behaviors and population health status.
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Precision stands for—
- A. Reliability
- B. accuracy
- C. consistency
- D. validity
Correct Answer: A
Rationale: Precision denotes the reliability and consistency of measurements.
In epidemiology, the measure of central location generally preferred for summarizing skewed data such as incubation periods is the:
- A. Mean
- B. Median
- C. Midrange
- D. Mode
Correct Answer: B
Rationale: The median is less affected by outliers and skewed data.
Hottest year was
- A. 2001
- B. 2002
- C. 2003
- D. 2004
Correct Answer: C
Rationale: The year 2003 was recorded as one of the hottest years globally due to climate change impacts.
Inductive research was purposed by
- A. aristotle
- B. Socrates
- C. plato
- D. none
Correct Answer: A
Rationale: Aristotle is credited with proposing inductive reasoning.
What does routine analysis of notifiable disease data at the state level include?
- A. Number of cases reported this week and during the previous 2-4 weeks.
- B. Number of cases reported this week and during comparable weeks of the previous 2-5 years.
- C. Simultaneous analysis by age, race, and sex of the patient.
- D. Analysis by county.
Correct Answer: D
Rationale: County-level analysis helps localize outbreaks or regional differences in disease burden.