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: B

Rationale: Community organization is the step where community assemblies occur. It is during these assemblies that the community formalizes its organization and develops plans for community action to address a community health issue. This step is crucial for coordinating efforts and resources towards solving community problems effectively.

Correct Answer: B

Rationale: Conducting random classroom inspections during a measles epidemic is a vital function of the school nurse as it involves assessing pupils and teachers for signs of a health problem prevalent in the community. This function helps in early detection, prevention, and control of diseases among students and staff, contributing to maintaining a healthy school environment.

Correct Answer: B

Rationale: Primary facilities are typically healthcare facilities that offer basic outpatient services to individuals. These services are often provided without the need for an overnight stay, distinguishing them from secondary or tertiary care facilities that offer more specialized and intensive care. Therefore, the correct statement about primary facilities is that their services are provided on an outpatient basis.

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.