During a health class, the nurse is emphasizing exercise and healthy eating. The level of prevention being utilized by the nurse is

A. Secondary Prevention: This level focuses on early detection and treatment of diseases, such as screenings or exams, rather than promoting healthy behaviors. B. Primary Prevention: This level involves strategies to prevent disease before it occurs, including promoting healthy lifestyles through exercise and nutrition. C. Tertiary Prevention: This level aims to manage and improve quality of life for individuals with existing diseases to prevent complications, rather than preventing disease onset. D. Educational Prevention: This term is not a standard classification in prevention levels; it refers to educational efforts but does not specifically align with the established levels of prevention.