Nokea
Milk secretion in breast of mother is influenced by mother's
- A. Nutritional status states
- B. Physiological state
- C. Hormonal state
- D. All of the above
Correct Answer: D
Rationale: Milk secretion is influenced by a combination of nutritional, physiological, and hormonal factors.
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One of the main functions of DPHO is
- A. To increase community participation in health sector
- B. To manage the Health post in districts
- C. Health promotion and hospital management
- D. Supervision and control of sub-health post
Correct Answer: D
Rationale: DPHO primarily oversees and supervises sub-health posts.
What is meant by determinants in epidemiology?
- A. Factors influencing disease occurrence.
- B. Only genetic factors.
- C. Only environmental factors.
- D. Only behavioral factors.
Correct Answer: A
Rationale: Determinants encompass all factors—biological, environmental, and social—that contribute to disease occurrence.
Define in your own words the term 'the natural history of disease'.
- A. The progression of a disease without medical intervention.
- B. The impact of treatment on disease outcomes.
- C. The study of disease origins.
- D. The distribution of diseases in populations.
Correct Answer: A
Rationale: The natural history of disease refers to the course a disease takes in the absence of medical intervention, from onset to resolution.
What is the RR of dying of coronary thrombosis for smokers versus nonsmokers?
- A. 1.2
- B. 1.3
- C. 1.4
- D. 1.5
Correct Answer: C
Rationale: RR = (Death rate among smokers / Death rate among nonsmokers) = 599 / 422 ≈ 1.42. Smokers have a 1.42 times higher risk of dying from coronary thrombosis compared to nonsmokers.
According to guideline recommended by WHO for quality of water E coli in distribution system per 100 ml of water is
- B. 50
- C. 100
- D. 5
Correct Answer: A
Rationale: WHO guidelines specify that no E. coli should be present in drinking water.