Nokea
Comparing numbers and rates of illness in a community, rates are preferred for:
- A. Conducting surveillance for communicable diseases
- B. Deciding how many doses of immune globulin are needed
- C. Estimating subgroups at highest risk
- D. Telling physicians which strain of influenza is most prevalent
Correct Answer: C
Rationale: Rates allow comparisons across populations and help identify high-risk groups.
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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.
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.
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).
Define in your own words the term 'secular changes'.
- A. Long-term trends in disease patterns over years or decades.
- B. Short-term fluctuations in health data.
- C. Changes in healthcare policies.
- D. Seasonal variations in disease incidence.
Correct Answer: A
Rationale: Secular changes refer to long-term trends in disease patterns, often spanning years or decades, and are distinct from short-term or seasonal variations.
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.