Respuesta :
For a client with advanced chronic obstructive pulmonary disease (COPD), the nursing action that best promotes adequate gas exchange by Using a Venturi mask to deliver oxygen as ordered.
The venturi mask also called an air-entrainment mask, is a medical device that gives patients receiving regulated oxygen therapy a known amount of oxygen. Moran Campbell at the McMaster University Medical School created the mask to replace intermittent oxygen therapy.
When oxygen is administered via a venturi mask, the client with COPD stores carbon dioxide, which prevents the brain's medullary center from stimulating breathing. As a result, low blood oxygen levels encourage breathing and giving undefined, unchecked oxygen doses may reduce ventilation.
The nurse should use a venturi mask to administer a specific, controlled amount of oxygen steadily and precisely in order to encourage sufficient gas exchange. Three glasses of liquid a day wouldn't be enough to liquefy secretions, which are typical in chronic obstructive pulmonary disease or affect gas exchange (COPD). Patients with COPD who are experiencing breathing difficulties should be put in the high-Fowlers posture and should not be given sedatives or other medications that could further depress the respiratory center.
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