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
1
, 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?
2
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
1
, 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?
2
