ATI RN
NCLEX Questions for Oxygenation Questions
Question 1 of 5
Which of the following is the site of the most important chemical digestion?
Correct Answer: B
Rationale: The small intestine is the primary site of chemical digestion and nutrient absorption due to its enzymes and large surface area.
Question 2 of 5
A terminally ill cancer patient is scheduled for an NGT feeding today. How should you position the patient?
Correct Answer: A
Rationale: Semi-Fowler's position (30-45°) reduces aspiration risk during NGT feeding, suitable for a terminally ill patient.
Question 3 of 5
Which of the following is a primary reason to teach pursed lip breathing to clients with emphysema?
Correct Answer: D
Rationale: Pursed lip breathing prolongs exhalation, reducing air trapping and aiding CO2 elimination in emphysema.
Question 4 of 5
Which method will not help assess that your intubation was successful?
Correct Answer: D
Rationale: ECG assesses cardiac activity, not intubation success, unlike CXR (tube position), end-tidal CO₂ (ventilation), and auscultation (breath sounds).
Question 5 of 5
Pressure support ventilation is:
Correct Answer: C
Rationale: Pressure support ventilation (PSV) is typically patient-triggered (pressure or flow), pressure-limited, and flow-cycled when the patient's inspiratory flow decreases.