Ideally, a case definition is 100% accurate in identifying who does and does not have the disease in question, but in reality few case definitions achieve this ideal.
- A. TRUE
- B. FALSE
Correct Answer: A
Rationale: Case definitions aim for high specificity and sensitivity but rarely achieve perfection due to diagnostic limitations.
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Mortality experience is taken into consideration when defining
- A. General fertility rate
- B. Total fertility rate
- C. Net reproduction rate
- D. Gross reproduction rate
Correct Answer: C
Rationale: Net Reproduction Rate (NRR) considers mortality experience, as it reflects the average number of daughters a woman would have if she survived through her reproductive years.
Married-unmarried, child-adult, male-female is
- A. Ordinal scale
- B. Interval scale
- C. Ratio scale
- D. Nominal scale
Correct Answer: D
Rationale: These categories represent nominal scales as they classify without any inherent order.
The reference protein is
- A. Egg
- B. Milk
- C. Soybean
- D. Meat
Correct Answer: A
Rationale: Egg protein is considered the reference protein due to its high biological value.
To what extent does epidemiology rely on medical disciplines for its content, and to what extent does it draw upon other disciplines?
- A. It relies entirely on medical disciplines.
- B. It relies entirely on non-medical disciplines.
- C. It integrates medical disciplines with social sciences and biostatistics.
- D. It does not rely on any specific discipline.
Correct Answer: C
Rationale: Epidemiology is interdisciplinary, combining knowledge from microbiology, biostatistics, social sciences, and clinical medicine.
A baby is called exclusively breast feed if he/she is breast fed for:
- A. 2-3 month
- B. 3-4 months
- C. 3-5 months
- D. 7-8 months
Correct Answer: B
Rationale: Exclusive breastfeeding refers to feeding only breast milk for the first 6 months of life, typically 3-4 months in the context of this question.