The nurse coaches a patient with chronic obstructive pulmonary disease to make one long "huff" when performing huff coughing.What should the nurse explain as the purpose of the long huff when using this approach to clear the airway?

Question

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A short "huff" helps clear larger airways,while a longer "huff" held out for several seconds helps open and clear smaller airways.A.B.C.A shorter "huff" is not used to increase oxygenation,remove excess carbon dioxide,or ensure thorough lung expansion.

The Nurse Coaches a Patient with Chronic Obstructive Pulmonary Disease