An Older Patient with End-Stage COPD Is Anxious and Claims

An older patient with end-stage COPD is anxious and claims that the oxygen tubing is clogged and not providing enough oxygen. Which self-care strategy would assist this patient to be more comfortable?

A) Quitting smoking
B) Increasing the liter flow on the oxygen
C) Increasing the dosage of narcotic pain relievers
D) Teaching strategies to deal with anxiety and obstruction of air flow