Mr. Jones, a 55-year-old male with a history of chronic obstructive pulmonary disease (COPD), is admitted to the hospital with acute exacerbation of his respiratory symptoms. On physical examination, he is found to have increased work of breathing, wheezing, and diminished breath sounds. Arterial blood gas analysis reveals severe hypoxemia. What nursing interventions should the nurse implement to manage Mr. Jones\'s acute exacerbation of COPD? How should the nurse assess and monitor Mr. Jones\'s oxygenation status and respiratory function? What are the potential complications associated with severe hypoxemia, and how should the nurse monitor and manage these complications?