ATI RN
Oxygen Therapy NCLEX Questions Questions
Question 1 of 5
Which nutrient deficiency is associated with the development of Pellagra, Dermatitis and Diarrhea?
Correct Answer: C
Rationale: Vitamin B3 (niacin) deficiency causes pellagra, characterized by dermatitis, diarrhea, and dementia.
Question 2 of 5
The nurse would anticipate which of the following Arterial blood gas results in a client experiencing a prolonged, severe asthma attack?
Correct Answer: B
Rationale: In a severe asthma attack, airway obstruction leads to CO2 retention (increased PaCO2), reduced oxygen (decreased PaO2), and respiratory acidosis (decreased pH).
Question 3 of 5
A patient requires intermittent oxygen at home and upon their research, requested to use a liquid oxygen system. Would you recommend this system to this patient?
Correct Answer: D
Rationale: Liquid oxygen systems are ideal for continuous use due to their high capacity, but for intermittent use, they are impractical due to cost, maintenance, and safety, making portable cylinders more suitable.
Question 4 of 5
You increase the IPAP by 2 cmH₂O on a patient on BIPAP. What change would you anticipate seeing?
Correct Answer: A
Rationale: Increasing IPAP (inspiratory pressure) on BIPAP increases tidal volume, enhancing ventilation and reducing PaCO₂.
Question 5 of 5
What is the role of the respiratory center in the medulla oblongata?
Correct Answer: B
Rationale: The medullary respiratory center controls the rate and depth of breathing in response to CO₂, pH, and O₂ levels.