This document discusses the roles and responsibilities of nurses at different levels, from staff nurses to nursing superintendents. It begins by defining nursing and outlining the qualities of professional nurses. It then explores the traditional roles of nurses as caregivers, decision-makers, and educators. The document also examines the expanded role of nurses in areas like advanced practice, research, education, and administration. It provides examples of nursing roles in various settings such as hospitals, schools, and home health care. Finally, it details typical job duties for different nursing positions.