ATI RN
NCLEX Questions Oxygen Therapy Questions
Question 1 of 5
Which of the following, if done by the nurse, indicates incompetence during suctioning?
Correct Answer: A
Rationale: Measuring from nose to earlobe to xiphoid is for NGT insertion, not suctioning, indicating incompetence as it's irrelevant to the procedure.
Question 2 of 5
Which of the following is considered the best indicator of nutritional status of an individual?
Correct Answer: C
Rationale: Arm muscle circumference is a specific measure of muscle mass and protein status, making it a strong indicator of nutritional health.
Question 3 of 5
Which of the following is a good source of Vitamin A?
Correct Answer: B
Rationale: Liver is an excellent source of Vitamin A (retinol), far surpassing the other options in content.
Question 4 of 5
You want to supply your patient with a consistent FiO₂ regardless of their breathing pattern. Which of the following oxygen device would you select?
Correct Answer: D
Rationale: An air entrainment mask (e.g., Venturi mask) delivers a precise FiO₂ by mixing oxygen with air at a fixed ratio, unaffected by the patient's breathing pattern, unlike low-flow devices like nasal cannula or simple masks.
Question 5 of 5
An LMA:
Correct Answer: D
Rationale: The LMA sits above the glottis with its tip in the esophageal inlet, providing a partial airway seal without entering the trachea.