You are called to treat a patient who is hypoxic, anxious, and extremely claustrophobic. Which of the following oxygen delivery devices would be most appropriate for this patient?
A: A nasal cannula at 6 LPM.
B: A non-rebreather mask at 12-15 LPM.
C: Bag-valve-mask ventilations at 12-20 times per minute.
D: Utilization of a flow-restricted, oxygen-powered device.