Nokea
Standard error is measure of
- A. Conceptual error
- B. Sampling error
- C. Instrumental error
- D. Observer error
Correct Answer: B
Rationale: Standard error quantifies the precision of the sample mean as an estimate of the population mean.
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Istanbul declaration 1996 habitat II is related to:
- A. RH
- B. Health promotion
- C. PHC
- D. Population development
Correct Answer: D
Rationale: The Istanbul Declaration addressed issues related to population and sustainable development.
Which of the following meats contains more cholesterol and triglycerides
- A. pork meat
- B. beef meat
- C. fish
- D. all
Correct Answer: A
Rationale: Pork meat generally contains higher levels of cholesterol and triglycerides compared to other meats.
Are you able to define the following?
- A. A system that collects information on cases of specific diseases for epidemiological study.
- B. A national survey on general health status.
- C. A program focused on nutritional assessments.
- D. An annual report on hospital admissions.
Correct Answer: A
Rationale: A disease registry is specifically designed to collect detailed information about cases of particular diseases, making it invaluable for tracking and studying disease patterns.
The best estimate of the association between wedding cake and illness is:
- A. 6.1
- B. 7.7
- C. 68.4
- D. 83.7
Correct Answer: B
Rationale: Calculated odds ratio reflects the strength of association.
You are conducting a study of insulin resistance and its relationship to body weight. Using a weight scale as your instrument to measure body weight, you find the scale always reads 30 kg regardless of who is standing on it. Discuss the validity and reliability of the scale.
- A. The scale is reliable but not valid.
- B. The scale is neither reliable nor valid.
- C. The scale is valid but not reliable.
- D. The scale is both reliable and valid.
Correct Answer: A
Rationale: Reliability refers to consistency of the measurement, which this scale demonstrates by consistently reading 30 kg. However, validity refers to accuracy, which this scale lacks since it does not measure true weight.