How can we effectively help someone by giving them oxygen?

Providing oxygen to someone through an oxygen mask is an effective method for ensuring they receive a higher concentration of oxygen, especially in situations where they may be experiencing difficulty breathing or have low oxygen saturation levels. By increasing the percentage of oxygen to 100%, you can significantly improve the oxygen availability in their bloodstream, facilitating better oxygenation of tissues and organs.

This method is particularly important in medical emergencies, such as respiratory distress or conditions like COPD, where the individual’s ability to breathe effectively may be compromised. Using an oxygen mask directly delivers a concentrated flow of oxygen, helping to rapidly restore deficient oxygen levels and stabilize the patient's condition.

The correct choice emphasizes a direct and efficient approach to enhancing a patient's oxygen intake, which is critical in many healthcare settings. Other alternatives, such as adjusting breathing rates or modifying atmospheric composition, do not address the immediate need for increased oxygen supply as directly and effectively as administering a high concentration of oxygen would.