Comprehensive Respiratory System Disorders Q 43 - Gyan Darpan : Learning Portal
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Friday 22 April 2022

Comprehensive Respiratory System Disorders Q 43

A nurse instructs a female client to use the pursed-lip method of breathing and the client asks the nurse about the purpose of this type of breathing. The nurse responds, knowing that the primary purpose of pursed-lip breathing is to:
     A. Promote oxygen intake.
     B. Strengthen the diaphragm.
     C. Strengthen the intercostal muscles.
     D. Promote carbon dioxide elimination.

Correct Answer: D. Promote carbon dioxide elimination.

Pursed-lip breathing facilitates maximal expiration for clients with obstructive lung disease. This type of breathing allows better expiration by increasing airway pressure that keeps air passages open during exhalation. Pursed-lip breathing is a technique that allows people to control their oxygenation and ventilation. The technique requires a person to inspire through the nose and exhale through the mouth at a slow controlled flow.

Option A: Deep breathing prevents air from getting trapped in the lungs, which can cause the client to feel short of breath. As a result, he can breathe in more fresh air. It’s best to do this exercise with other daily breathing exercises that can be performed for 10 minutes at a time, 3 to 4 times per day.
Option B: Diaphragmatic breathing, or “belly breathing,” engages the diaphragm, which is supposed to do most of the heavy lifting when it comes to breathing. This technique is particularly helpful in people with COPD, as the diaphragm isn’t as effective in these individuals and could be strengthened. The technique best used when feeling rested.
Option C: Breathing exercises which slowly fill the lungs with air to expand the chest and work the intercostal muscles. To do this exercise, it is typically recommended to sit or stand with the back straight, then take a full breath from the bottom of the lungs. It can help to think of breathing from the diaphragm, by slowly expanding the abdominal muscles while inhaling, then pushing air from the lungs using these same muscles.

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