ATI RN
Oxygenation NCLEX Questions with Rationale Questions
Question 1 of 5
You hear a whistling sound coming from the bedside of a patient on 6 LPM nasal cannula attached to a bubble humidifier. What is the most likely cause of the whistling sound?
Correct Answer: A
Rationale: A kink in the nasal cannula can cause turbulent airflow, producing a whistling sound, which is the most likely mechanical issue in this scenario.
Question 2 of 5
Which medication is used for paralysis during a rapid sequence intubation?
Correct Answer: D
Rationale: Rocuronium is a neuromuscular blocker used for paralysis in rapid sequence intubation, unlike the others which are sedatives.
Question 3 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 4 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 5 of 5
Transmission of mycobacterium tuberculosis is through:
Correct Answer: D
Rationale: Mycobacterium tuberculosis spreads via airborne transmission through droplet nuclei.