ATI RN
NCLEX Questions for Oxygenation Questions
Question 1 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 2 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.
Question 3 of 5
You are requested to give an aerosol treatment with 10 mL of a 1:200 solution of Isuprel. How many mg would you be administering to the patient?
Correct Answer: A
Rationale: A 1:200 solution means 1 g in 200 mL, or 5 mg/mL. For 10 mL, 10 x 5 = 50 mg.
Question 4 of 5
Which of the following is the primary genetic mutation associated with cystic fibrosis?
Correct Answer: A
Rationale: The CFTR gene mutation is the primary cause of cystic fibrosis, affecting chloride transport.
Question 5 of 5
Which waveform represents ventricular depolarization on an ECG?
Correct Answer: B
Rationale: The QRS complex represents ventricular depolarization on an ECG.