Correct Answer: D

Rationale: Tertiary prevention focuses on actions taken to prevent complications and further deterioration among individuals already diagnosed with a disease. It is implemented during the terminal stage of a disease when efforts are made to prevent disability, restore function, and improve quality of life. This stage is crucial for managing the disease's progression and enhancing the patient's well-being.

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: 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: Tertiary prevention focuses on actions taken to prevent complications and further deterioration among individuals already diagnosed with a disease. It is implemented during the terminal stage of a disease when efforts are made to prevent disability, restore function, and improve quality of life. This stage is crucial for managing the disease's progression and enhancing the patient's well-being.

Correct Answer: B

Rationale: Conducting a home visit provides an opportunity to conduct a firsthand appraisal of the home situation. This allows healthcare professionals to observe the living conditions, identify potential health hazards, and tailor care plans to the individual's environment. It helps in gaining a better understanding of the patient's lifestyle, social support, and resources available at home, leading to more personalized and effective care.