Final answer:
School health nursing programs are centered around health promotion, including environmental health and public health, creating a foundation for lifelong healthy habits and disease prevention. Therefore, the correct option is a.
Step-by-step explanation:
School health nursing programs have the primary goal of health promotion. This includes identifying and defining critical problems and barriers of health, and developing strategies to design sustainable health education and disease prevention interventions, which lead to better health outcomes. An important aspect of school health programs is environmental health, which aims at preventing disease, death, and disability by reducing exposure to adverse environmental conditions and encouraging behavioral change.
Furthermore, the concept of public health is inherently connected with these goals, as it focuses on the prevention and management of diseases, injuries, and other conditions that can affect human health. Public health also uses data compiled by epidemiologists to guide interventions, distribute research funding, and develop health policies. In essence, school health nursing programs are essential in creating a foundation for lifelong healthy habits among students.