Nokea
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.
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Randomization is done in experimental study:
- A. to eliminate selection bias.
- B. to select control
- C. to eliminate confounding bias
- D. all of above
Correct Answer: D
Rationale: Randomization helps to eliminate selection and confounding biases while selecting controls.
Which one are two dimensional diagrams?
- A. Bar diagrams
- B. Cubes
- C. Circles
- D. None of them
Correct Answer: A
Rationale: Bar diagrams represent two-dimensional data.
Establishment of DDA in
- A. 1979
- B. 1989
- C. 1979
- D. 1986
Correct Answer: A
Rationale: The Department of Drug Administration (DDA) was established in 1979.
In supervision the most appropriate word is
- A. Enforcement
- B. Reinforcement
- C. Suggestion
- D. Inspection
Correct Answer: C
Rationale: Supervision involves providing constructive suggestions and guidance.
Descriptive epidemiology is essential for 'characterizing the outbreak' by time, place, and person, but has little bearing on the analytic epidemiology.
- A. TRUE
- B. FALSE
Correct Answer: B
Rationale: Descriptive epidemiology informs the development of hypotheses tested in analytic studies.