How is the oxygen flow rate typically measured?

The oxygen flow rate is typically measured in liters per minute (L/min), which is the standard unit of measurement for assessing the volume of oxygen delivered to a patient over time. This unit allows healthcare providers to accurately assess and adjust the amount of oxygen a patient receives to ensure they are receiving an adequate supply tailored to their medical needs.

Using liters per minute is particularly useful in various clinical settings, such as in emergency medicine, respiratory therapy, and critical care, where precise control over oxygen delivery is crucial to patient outcomes. It allows for easy comparison and standardization across different devices and treatment protocols.

The other options represent measurements that are not suitable for oxygen flow rates in medical practice. Grams per hour would pertain to weight, not volume, while milliliters per second is a less common and less practical measurement for flow rates relevant to the typical delivery settings used in oxygen therapy. Percentages might be used to denote the concentration of oxygen in a gas mixture but do not provide information about the actual flow rate being delivered to the patient.