The document discusses the roles and responsibilities of nurses in various medical settings. Nurses in outpatient departments provide direct care to patients, educate patients and families, and assist physicians. In inpatient departments, nurses are responsible for patients' clinical, managerial, personnel, and research needs. Intensive care unit nurses closely monitor and record critical patients' conditions and vital signs and update the healthcare team. Home health care nurses provide medical care and education to patients and their families at home. Community health nurses promote health and prevent illness through services, education, and collaboration.