What statement by the husband demonstrates understanding of morphine use in treating COPD-related symptoms?

The statement indicating that "the morphine is being used to treat her shortness of breath" demonstrates an understanding of morphine's role in the management of symptoms related to Chronic Obstructive Pulmonary Disease (COPD). Morphine is an opioid that can effectively relieve dyspnea, particularly in patients experiencing significant shortness of breath. This reflects a comprehensive approach to palliative care, which aims to improve the quality of life for patients by alleviating distressing symptoms, including breathlessness.

Using morphine for this purpose is supported by clinical evidence that shows it can reduce the perception of breathlessness and enhance comfort. While pain management is a key use of morphine, understanding that it can also be beneficial for managing respiratory symptoms is crucial for effective palliative care in patients with COPD.