The best way to gauge the effectiveness of oxygen therapy would be to monitor the:

Question

Quizplus · Accepted Answer

Pulse oximetry measures the oxygen saturation levels in the blood, which is the most direct and accurate way to monitor the effectiveness of oxygen therapy. Respiratory rate, heart rate, and mental status may also be important indicators of oxygen therapy effectiveness, but they may be affected by other factors such as pain, anxiety, or underlying medical conditions.

The Best Way to Gauge the Effectiveness of Oxygen Therapy