Final answer:
Public health nursing (PHN) is the practice of working with individuals and families to protect and improve the health of communities. Nurses focus on preventing and managing diseases, promoting healthy behaviors, and addressing health disparities in populations.
Step-by-step explanation:
Public health nursing (PHN) is defined as the practice of working with individuals and families to protect and improve the health of communities. Public health nurses focus on preventing and managing diseases, promoting healthy behaviors, and addressing health disparities in populations. They work in various settings including clinics, schools, and community organizations to provide education, vaccinations, screenings, and referrals for healthcare services.