This article discusses the pathophysiology of chronic obstructive pulmonary disease (COPD) and the important role that nurses play in its management and care. It explores the characteristics of COPD, its impact on patients, and the physiological abnormalities associated with the disease. The article also highlights the role of nurses in conducting spirometry tests, providing patient education, assisting with smoking cessation, promoting physical activity, and managing exacerbations. Overall, it emphasizes the need for a comprehensive approach to COPD management that involves both physicians and nurses.