A nurse is caring for a patient who is receiving oxygen therapy via partial rebreather mask at 10 L/min. The nurse should instruct the patient to do which of the following to ensure effective oxygen delivery? A.Keep the reservoir bag fully inflated at all times. B.Breathe through the mouth and exhale through the nose. C.Adjust the elastic strap to fit snugly around the face. D.Remove the mask every 15 minutes to check the skin.
