ATI RN
Fundamentals of Nursing Oxygenation Questions Questions
Question 1 of 5
The nurse is evaluating the effectiveness of oxygen therapy in a client with hypoxemia. Which finding indicates improvement?
Correct Answer: B
Rationale: The correct answer is B because an increase in oxygen saturation from 88% to 95% indicates improved oxygenation in the blood, reflecting the effectiveness of oxygen therapy. This improvement directly addresses the underlying issue of hypoxemia. A: Respiratory rate decreasing may indicate improvement, but it is not as specific to oxygenation as oxygen saturation levels. C: Heart rate decreasing could be a sign of improvement, but it is not as directly related to oxygen therapy effectiveness as oxygen saturation levels. D: Client reporting reduced fatigue is subjective and may not always correlate with objective improvement in oxygenation levels.
Question 2 of 5
The nurse is caring for a client with acute respiratory distress syndrome (ARDS). Which intervention is most likely to improve oxygenation?
Correct Answer: B
Rationale: The correct answer is B: Positioning the client in the prone position. Placing the client in the prone position helps improve oxygenation in ARDS by optimizing ventilation-perfusion matching, reducing ventilation-perfusion mismatch, and improving lung mechanics. This position allows for better distribution of ventilation to the dorsal lung regions, improving oxygenation. Increasing oxygen flow rate (A) may not address the underlying issue of ventilation-perfusion mismatch. Performing frequent oral suctioning (C) is important for airway clearance but may not directly improve oxygenation. Administering a bronchodilator (D) may help in conditions like asthma but is not typically used in ARDS where the primary issue is not bronchoconstriction.
Question 3 of 5
A nurse is caring for a client receiving high-flow oxygen therapy. Which complication should the nurse monitor for?
Correct Answer: A
Rationale: The correct answer is A: Oxygen toxicity. High-flow oxygen therapy can lead to oxygen toxicity, causing lung damage and respiratory failure. The nurse should monitor for signs such as dyspnea, cough, chest pain, and hypoxemia. Other choices are incorrect because: B: Pulmonary embolism is a complication of blood clots traveling to the lungs, not directly related to high-flow oxygen therapy. C: Carbon dioxide retention is more likely to occur in patients with chronic lung disease and not specifically related to high-flow oxygen therapy. D: Pneumothorax is the accumulation of air in the pleural space, which can happen spontaneously or due to trauma, not directly caused by high-flow oxygen therapy.
Question 4 of 5
The nurse is reviewing discharge instructions for a client with obstructive sleep apnea (OSA). Which statement indicates correct understanding?
Correct Answer: B
Rationale: Correct Answer: B Rationale: 1. Losing weight can reduce excess tissue in the throat, which can improve airway patency and decrease symptoms of obstructive sleep apnea. 2. Weight loss is a non-invasive, long-term solution for managing OSA. 3. The other choices are incorrect because: A is not true as CPAP therapy is typically a lifelong treatment; C can worsen OSA by promoting airway collapse; D is false as CPAP should be used for the entire duration of sleep to effectively manage OSA.
Question 5 of 5
The nurse is caring for a client with ARDS on mechanical ventilation. What is the priority assessment?
Correct Answer: A
Rationale: The correct answer is A: Ensuring proper endotracheal tube placement. This is the priority assessment because an improperly placed tube can lead to inadequate oxygenation or ventilation. Steps to ensure proper placement include assessing breath sounds, chest rise, and tube position on chest X-ray. Checking for pressure ulcers (B) is important but not the priority. Assessing for ventilator-associated pneumonia (C) and monitoring for signs of respiratory alkalosis (D) are important but secondary to ensuring proper tube placement for adequate oxygenation and ventilation.