Nokea
Highest source of energy among the following is:
- A. Fat
- B. Carbohydrate
- C. Protein
- D. Minerals
Correct Answer: A
Rationale: Fat provides the highest amount of energy per gram (9 kcal/g) compared to carbohydrates and proteins (4 kcal/g).
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Define the following terms: Experimental study
- A. A planned intervention where the investigator controls exposure to determine its effect.
- B. A study that uses historical data to analyze outcomes.
- C. A study conducted without a control group.
- D. A study where participants choose their own exposure.
Correct Answer: A
Rationale: An experimental study is characterized by the investigator's control over exposure.
Which of the following are considered measures of spread?
- A. Interquartile range
- B. Percentile
- C. Range
- D. Standard deviation
Correct Answer: A
Rationale: The interquartile range is a robust measure of variability.
Describe the significance for epidemiology of the use of vital statistics.
- A. Vital statistics provide data on births and deaths.
- B. Vital statistics are irrelevant to epidemiology.
- C. Vital statistics are used only for economic analysis.
- D. Vital statistics focus solely on infectious diseases.
Correct Answer: A
Rationale: Vital statistics help track population health trends and identify outbreaks or patterns.
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.
Which shape of a population pyramid is most consistent with a young population?
- A. Tall, narrow rectangle
- B. Short, wide rectangle
- C. Triangle base down
- D. Triangle base up
Correct Answer: C
Rationale: A triangle base down reflects a high proportion of young individuals.