The nurse provides care to a patient who is recovering from facial trauma who requires high-flow oxygen therapy. Which method of oxygen delivery does the nurse recognize as best for this patient?

Choice A reason: A nasal cannula delivers low-flow oxygen (2-6 L/min, 24-44% FiO2), insufficient for high-flow needs in facial trauma patients requiring elevated oxygen concentrations. It is less effective for delivering the high oxygen levels needed to maintain adequate oxygenation in acute trauma scenarios. Choice B reason: A nonrebreather mask delivers high-flow oxygen (10-15 L/min, up to 90-100% FiO2) via a reservoir bag, ideal for facial trauma patients needing high oxygen concentrations. It ensures adequate oxygenation despite potential airway compromise or increased oxygen demand, making it the best choice. Choice C reason: A face tent provides low to moderate oxygen concentrations (up to 40% FiO2) but is less precise and effective for high-flow needs. In facial trauma, it may also be uncomfortable and less secure, making it less suitable than a nonrebreather mask for delivering high oxygen levels. Choice D reason: A Venturi mask delivers precise oxygen concentrations (24-50% FiO2) but is designed for controlled, moderate oxygen delivery, not high-flow therapy. It is less effective for facial trauma patients requiring high oxygen levels to address acute hypoxia, compared to a nonrebreather mask.