ATI- Gas Exchange and Oxygenation Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

ATI- Gas Exchange and Oxygenation Questions and Answers | Latest Version | 2025/2026 | Correct & Verified A nurse is caring for a patient with hypoxia. What is the priority intervention? Administer oxygen as prescribed When assessing a patient with oxygenation issues, what is a common early sign of hypoxia? Restlessness and confusion A client with emphysema is receiving oxygen therapy. What is the most important thing to monitor? Oxygen saturation levels Which of the following is an expected finding in a client with impaired gas exchange? Increased respiratory rate What does a decreased PaO2 level indicate? Impaired oxygenation of the blood 2 What is the purpose of incentive spirometry in a patient with compromised lung function? To promote deep breathing and prevent atelectasis Which laboratory value is most critical to monitor in a patient with impaired gas exchange? Arterial blood gases (ABG) A nurse is assessing a patient with COPD. What is the expected ABG result in this condition? Increased PaCO2 and decreased PaO2 Which finding in a patient receiving supplemental oxygen would require immediate intervention? A decrease in oxygen saturation despite adequate oxygen delivery What is the primary goal of oxygen therapy in patients with respiratory distress? To increase the amount of oxygen in the bloodstream How does a Venturi mask support precise oxygen delivery? 3 It mixes oxygen with room air to deliver a specific oxygen concentration What position should a patient with severe dyspnea be placed in to improve oxygenation? High-Fowler’s position A patient with acute respiratory distress syndrome (ARDS) is being treated. What is a priority nursing action? Monitor oxygen levels and respiratory status frequently What is a major risk factor for impaired oxygenation in patients with pneumonia? Decreased ventilation and impaired gas exchange When administering oxygen via nasal cannula, what is a common complication to watch for? Dryness or irritation of the nasal mucosa What does cyanosis in the lips and fingers indicate in a patient with impaired gas exchange? Hypoxemia or low oxygen levels in the