This document discusses Abraham Maslow's hierarchy of needs and its application in nursing. It begins by outlining Maslow's five levels of needs - physiological, safety, love/belonging, esteem, and self-actualization. It then provides examples of how nurses assess and address patients' basic needs according to Maslow's hierarchy, such as meeting physiological needs like nutrition and hygiene. The document also discusses concepts like health, illness, and wellness, and factors that influence health behaviors.