Correct Answer: A

Rationale: The primary purpose of conducting an epidemiologic investigation is to delineate the etiology of the epidemic, which involves identifying the cause or origin of the disease outbreak. This process helps in understanding how the disease spreads, its risk factors, and developing strategies for control and prevention.

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: A

Rationale: According to C.E. Winslow, the goal of Public Health is for people to achieve their birthrights of health and longevity. This encompasses ensuring that individuals have the opportunity to lead healthy lives and live long, fulfilling ones. It goes beyond just the absence of disease and includes promoting overall well-being and quality of life.

Correct Answer: A

Rationale: During the investigation of an epidemic, establishing the epidemic involves comparing the current frequency of the disease with the typical frequency for that time of year in the community. This comparison helps determine whether an epidemic is occurring by assessing if the number of cases exceeds the expected baseline, as well as establishing the link between the cases of the disease.

Correct Answer: D

Rationale: Region IV Hospital is classified as a tertiary facility. Tertiary facilities are typically advanced centers that provide specialized care, advanced medical procedures, and serve as teaching hospitals for medical professionals. These hospitals offer a wide range of medical services and are equipped with advanced technology and expertise to handle complex cases. Therefore, Region IV Hospital being a tertiary facility indicates that it offers high-level medical care and serves as a regional training center for healthcare professionals.