How is the dose of oxygen typically expressed?

The dose of oxygen is typically expressed in liters per minute. This measurement reflects the flow rate of oxygen being delivered to an individual, which is essential for determining the appropriate amount of oxygen needed to ensure adequate oxygenation in various clinical situations. Liters per minute provides a direct assessment of the oxygen supply being administered, critical for both emergency and routine care.

The other options do not relate specifically to the administration of oxygen. For instance, milliliters per hour is a common measure for medication infusion rates but not for oxygen. Percentage of saturation refers to the oxygen saturation level in the blood but does not indicate the actual flow rate of oxygen being delivered. Milligrams per kilogram is a dosing measurement generally used for medications based on body weight, not for oxygen therapy. Therefore, using liters per minute is the standard and most appropriate way to express oxygen dosage.