The Nurse Teaches a Patient with COPD How to Perform

The nurse teaches a patient with COPD how to perform pursed-lip breathing, explaining that this technique will assist respiration by

A) loosening secretions so that they may be coughed up more easily.
B) promoting maximal inhalation for better oxygenation of the lungs.
C) preventing airway collapse and air trapping in the lungs during expiration.
D) decreasing anxiety by giving the patient control of respiratory patterns.

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