An Unresponsive Patient Is Breathing at a Rate of 6

An unresponsive patient is breathing at a rate of 6 breaths per minute. What intervention would be most beneficial for the patient?

A) Positive pressure ventilation with O₂ a rate of 30 and tidal volume of 200 mL
B) Oxygen at 15 liters per minute delivered through a nonrebreather face mask
C) Positive pressure ventilation with a rate of 12 and tidal volume of 500 mL
D) Oral airway and positive pressure ventilation at 40 per minute, supplemental O₂, and volume of 100