ATI RN
Oxygenation NCLEX Questions with Rationale Questions
Question 1 of 5
You note a sudden decrease in PIP on a patient receiving VCV. Which of the following is most likely the cause of this problem?
Correct Answer: B
Rationale: A sudden decrease in PIP in volume control ventilation (VCV) indicates a leak, most commonly from a ruptured ETT cuff, reducing airway pressure.
Question 2 of 5
What is the hallmark finding on chest X-ray or CT scan in a patient with ARDS?
Correct Answer: D
Rationale: Bilateral diffuse infiltrates on imaging are the hallmark of ARDS, reflecting widespread alveolar damage.
Question 3 of 5
The following data from a pulmonary function test would be interpret as: FVC 1.57L (35%), FEV⁴‚ 1.28L (38%), FEV⁴‚/FVC 82%, FRC 1.73L (45%), TLC 2.85L (44%), RV 1.12L (43%), DLCO 15.33 (48%)
Correct Answer: C
Rationale: Reduced FVC (35%) and TLC (44%) with normal FEV⁴‚/FVC (82%) indicate restriction, not obstruction.
Question 4 of 5
Transmission of mycobacterium tuberculosis is through:
Correct Answer: D
Rationale: Mycobacterium tuberculosis spreads via airborne transmission through droplet nuclei.
Question 5 of 5
A nurse is percussing the thorax of a patient with chronic emphysema. What percussion sound would most likely be assessed?
Correct Answer: B
Rationale: Emphysema causes air trapping, leading to hyperresonance on percussion due to increased air in the lungs.