This document outlines a lecture on quality control. It begins with definitions of key terms like quality control and discusses why quality control is needed to ensure product safety and avoid liability. It then describes the quality control process, including establishing standards, collecting relevant information, evaluating performance, and reevaluation. An example of quality control in hospitals is given around glucose testing and patient identification standards. The document stresses that everyone in an organization should be involved in quality control. It provides steps to implement a program and explains the nurse manager's role in encouraging involvement, communicating standards, and using audits to improve quality of care.