What is the flow rate range typically used with a simple mask for oxygen delivery?

The flow rate range typically used with a simple mask for oxygen delivery is indeed 5 to 10 liters per minute. This range is essential because it ensures that the mask reliably delivers an adequate concentration of oxygen to the patient. At flow rates below 5 liters per minute, the mask may not seal properly against the patient's face, which can lead to a significant amount of room air being inhaled, thereby diluting the oxygen concentration the patient receives. Conversely, exceeding 10 liters per minute does not improve oxygen delivery through a simple mask and can result in discomfort due to excessive air flow and excessive noise from gas flow.

Therefore, using a flow rate within this specified range allows for efficient oxygen delivery while maintaining patient comfort, making it the appropriate choice for respiratory care practitioners when using a simple mask.