The document discusses the role of nurses and different models of care. It covers topics like the nursing process, assessment, biomedical and holistic models. The biomedical model focuses on the physical body, while the holistic model sees individuals as complex with psychological, social, cultural and spiritual factors influencing health. Over time, perspectives have shifted from biomedicine to recognize broader determinants. Public health aims to improve health through prevention, health promotion, and empowering individuals and communities. The document examines how nursing's role and understanding of health has evolved in relation to changes in models of care and public policy.