Correct Answer: B

Rationale: Analytical epidemiology focuses on studying factors or determinants that affect the patterns of disease occurrence and distribution in a community. In this scenario, the nurse is analyzing various factors contributing to the high mortality rate due to heart diseases, which aligns with the principles of analytical epidemiology.

Correct Answer: B

Rationale: Operation Timbang is a form of secondary prevention. It aims to identify individuals in the population who are malnourished, allowing for early diagnosis and timely treatment. Secondary prevention focuses on early detection and intervention to prevent the progression of a health condition or disease.

Correct Answer: D

Rationale: The function of epidemiology includes evaluating the effectiveness of interventions, programs, or policies implemented to improve public health outcomes. In this context, epidemiology aids in assessing the impact and success of strategies like the Integrated Management of Childhood Illness in community health practice.

Correct Answer: A

Rationale: The Mayor, who is the local executive, typically serves as the Chairman of the Municipal Health Board. As the head of the municipality, the Mayor is responsible for overseeing various aspects of local governance, including public health matters. Therefore, the Mayor holds the position of Chairman on the Municipal Health Board to provide leadership and direction in health-related decisions and policies at the municipal level.

Correct Answer: B

Rationale: Presidential Proclamation No. 4 in the Philippines declared measles as a target for eradication through the Ligtas Tigdas Program. This program aims to eliminate measles, making it the correct choice in this case.