Nokea
Do vital statistics become surveillance data when analyzed and disseminated?
- A. True.
- B. FALSE
Correct Answer: A
Rationale: Vital statistics become surveillance data once they are analyzed, interpreted, and used to influence public health decisions.
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Confidence limit can be calculated by using
- A. Mean and range
- B. Mean standard deviation
- C. Median and range deviation
- D. Median and standard
Correct Answer: B
Rationale: Confidence limits are calculated using the mean and standard deviation.
Define the following terms: Quasi-experimental study
- A. A study design involving random assignment of participants.
- B. A study using naturally occurring groups without randomization.
- C. A controlled trial with blinding.
- D. A study focusing on individual-level outcomes.
Correct Answer: B
Rationale: Quasi-experimental studies do not involve random assignment, often using existing groups.
What types of challenges impact the availability of a safe water supply?
- A. Pollution, aging infrastructure, climate change.
- B. Excessive rainfall, low temperatures.
- C. Unlimited freshwater sources, advanced filtration.
- D. High public investment, minimal regulation.
Correct Answer: A
Rationale: Challenges include pollution, deteriorating infrastructure, and climate change affecting water resources.
Which of the following does not fall under planning?
- A. Follow up
- B. Plan formulation
- C. Execution
- D. Evaluation
Correct Answer: A
Rationale: Follow-up is typically considered part of monitoring rather than planning.
Vitamin A in vegetable source is called:
- A. Retinol
- B. Carotene
- C. Panthothenic acid
- D. Calciferol
Correct Answer: B
Rationale: In vegetable sources, vitamin A is present as carotene, which is converted to retinol in the body.