Mrs.Leonard is receiving oxygen by non-rebreather mask.Which of the following is a true statement regarding this type of oxygen delivery?

A) It is used only when humidity is necessary.
B) It delivers oxygen concentrations of 60-90%.
C) It does not interfere with eating or talking.
D) It delivers the highest concentration of oxygen next to mechanical ventilation.

Non-Rebreather Mask

A device used in medical emergencies to deliver high concentrations of oxygen to patients who are breathing inadequately.

Oxygen Concentrations

The percentage of oxygen in a particular mixture of gases, an important factor in medical treatment, especially for patients with respiratory issues.

Mechanical Ventilation

A method of providing respiratory support using a machine (ventilator) to push air into and pull air out of the lungs of a patient who is unable to breathe adequately on their own.