Nokea
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.
You may also like to solve these questions
National vitamin A programme was initiated in
- A. 1981
- B. 1992
- C. 1993
- D. 1994
Correct Answer: A
Rationale: The National Vitamin A Programme began in 1981.
Which method is suitable for teaching mother group about preparation of superflour:
- A. demonstration
- B. group discussion
- C. roleplaying
- D. exhibition
Correct Answer: A
Rationale: Demonstration is an effective method for teaching practical skills such as preparing superflour.
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.
Denominator of prenatal mortality is
- A. Number of live births
- B. Number of deliveries (live and still births)
- C. Live births— still births
- D. Number of still births
Correct Answer: B
Rationale: Prenatal mortality includes both live and still births, making the total number of deliveries the appropriate denominator.
Selection bias interferes-
- A. internal validity
- B. external validity
- C. face validity
- D. all
Correct Answer: A
Rationale: Selection bias undermines internal validity by affecting the comparability of study groups.