Which oxygen administration system provides a higher concentration of oxygen compared to standard face masks?

The non-rebreather mask is specifically designed to deliver a higher concentration of oxygen to a patient compared to standard face masks. It features a bag attached to the mask that allows for the storage of pure oxygen, which the patient inhales directly. This system also includes one-way valves that prevent the patient from re-inhaling exhaled air, ensuring that they receive a higher percentage of oxygen with minimal dilution. This is particularly beneficial in emergencies where high-flow oxygen is critical, such as in cases of severe respiratory distress or hypoxia.

In contrast, other options like standard face masks or simple face masks typically deliver lower concentrations of oxygen because they allow room air to mix with the oxygen being supplied. Nasal cannulas provide even less oxygen concentration than these masks, as they only deliver oxygen through the nostrils and do not cover the mouth. Therefore, the non-rebreather mask stands out as the most effective choice for high-concentration oxygen therapy in emergency situations.