After admission to the hospital with pulmonary emphy - sema , the client is extremely short of breath and is receiving oxyge per nasal cannula . The essentia nurs - ing action for this client receiving oxygen therapyis to : a. Make sure the client is receiving at least six liters per minute to alleviate his respiratory distress . b. Provide low oxygen percentages to prevent respi - ratory arrest . c. Provide oral hygiene. d. Clean the nostrils around the cannula as needed .