Nokea
Should the case definition for surveillance match the clinical case definition?
- A. True.
- B. FALSE
Correct Answer: B
Rationale: Surveillance and clinical case definitions may differ because they serve different purposes; clinical definitions focus on treatment, while surveillance definitions optimize detection.
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Preservative of sewage is called-
- A. chloroform
- B. haloform
- C. formalin
- D. all
Correct Answer: C
Rationale: Formalin is commonly used as a preservative for sewage samples.
Does notifiable disease surveillance focus on both morbidity and mortality?
- A. True.
- B. FALSE
Correct Answer: A
Rationale: Notifiable disease surveillance typically covers both morbidity and mortality related to the listed diseases.
Which of the following data sources are best able to provide numerator data for the calculation of incidence of death by gunshot?
- A. Hospital discharge survey
- B. Autopsy or coroners' records
- C. National Health Survey
- D. Disease registries
Correct Answer: B
Rationale: Autopsy or coroner's records provide direct evidence of gunshot-related fatalities, essential for calculating incidence.
Ergonomics is related to
- A. Economics
- B. Agriculture
- C. Engineering means to reduce occupational hazards
- D. Agricultural economics
Correct Answer: C
Rationale: Ergonomics involves engineering principles to design workspaces and tools that reduce occupational hazards.
Milk secretion in breast of mother is influenced by mother's
- A. Nutritional status states
- B. Physiological state
- C. Hormonal state
- D. All of the above
Correct Answer: D
Rationale: Milk secretion is influenced by a combination of nutritional, physiological, and hormonal factors.