ATI RN
Oxygenation NCLEX Questions with Rationale Questions
Question 1 of 5
A nurse assesses a client who had a myocardial infarction and has a blood pressure of 88/58 mm Hg. Which additional assessment finding would the nurse expect?
Correct Answer: A
Rationale: Low blood pressure post-myocardial infarction indicates shock, leading to tachycardia (heart rate 120) to compensate.
Question 2 of 5
A client admitted with smoke inhalation injuries develops signs and symptoms of acute respiratory distress syndrome (ARDS). The nurse anticipates the healthcare provider will prescribe which course of action with regard to oxygenation?
Correct Answer: B
Rationale: With ARDS, mechanical ventilation (B) is often necessary as oxygen therapy alone (A, C, D) cannot maintain adequate oxygenation due to severe lung injury.
Question 3 of 5
The nurse is caring for a client with chronic obstructive pulmonary disease (COPD). Which medication classification does the nurse anticipate administering?
Correct Answer: D
Rationale: Bronchodilators (D) are the mainstay treatment for COPD to relieve airway obstruction and improve breathing.
Question 4 of 5
The nurse is planning care for an infant diagnosed with respiratory syncytial virus (RSV). Which medication does the nurse anticipate administering?
Correct Answer: D
Rationale: Nebulized hypertonic saline (D) is used in RSV to thin mucus and improve clearance, as it's a viral infection not responsive to antibiotics (C).
Question 5 of 5
The atmosphere contains of oxygen.
Correct Answer: A
Rationale: The Earth's atmosphere is composed of approximately 21% oxygen, which is a well-established scientific fact.