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: In community-based practice, healthcare providers deliver care to individuals in their natural environments, such as homes, schools, and workplaces. Conducting community diagnosis allows nurses to assess the specific needs and problems within the community, enabling them to tailor their services effectively and address the identified health concerns.

Correct Answer: C

Rationale: Community organizing aims to maximize the community's resources in addressing health problems. This approach focuses on empowering the community to effectively address their health challenges by utilizing their collective resources and strengths. While educating and mobilizing the community are important components, the primary goal is to enhance the community's capacity to tackle health issues independently.

Correct Answer: D

Rationale: When an occupational health nurse applies ergonomic principles, they are acting as an environment manager. Ergonomics involves optimizing the work environment for efficiency and safety by considering factors like workplace design, equipment, and furniture to enhance worker well-being and productivity. By focusing on ergonomics, the nurse aims to create a workspace that minimizes physical strain, reduces the risk of musculoskeletal injuries, and promotes overall health and comfort for the employees.

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.