Correct Answer: B

Rationale: According to R.A. 1054, the key factor to consider, apart from the number of employees, is the location of the workplace concerning health facilities. Specifically, an occupational nurse must be employed when there are 30 to 100 employees, and the workplace is more than 1 km away from the nearest health center. This ensures timely access to health services for employees in case of emergencies or health needs.

Correct Answer: B

Rationale: Efficiency is the correct answer because it assesses whether the desired outcomes were achieved with the least amount of resources expended. In the context of Ligtas Tigdas, evaluating efficiency would involve determining if the program goals were met in a cost-effective manner, optimizing the use of resources to achieve the best results.

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: C

Rationale: During an epidemic, nurses play a crucial role in participating in epidemiologic investigations to identify the source of the outbreak. By investigating the source of the epidemic, nurses can help in understanding what caused the outbreak and how it can be controlled and prevented in the future. This function is essential in managing and responding effectively to epidemics.

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.