The document discusses quality assurance in nursing. It begins with objectives of defining quality assurance and describing its principles. It then covers terminology related to quality, including definitions of quality assurance, control, and improvement. Models of quality assurance are presented, like the system model and ISO model. Factors affecting quality assurance include a lack of resources and personnel problems. The roles of nurses include maintaining knowledge and ensuring standards are met. Overall, quality assurance aims to ensure nursing practices meet quality standards through compliance monitoring.