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Fundamentals of Nursing | Oxygenation Questions and Answers 2022

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Fundamentals of Nursing: Oxygenation Questions and Answers 2022 Respiration >>>exchange of oxygen and carbon dioxide during cellular metabolism 3 Steps of the process of oxygenation: >>>1. Venti... lation 2. Perfusion 3. Diffusion (1) Ventilation >>>process of moving gases into and out of lungs The Major inspiratory muscle of respiration is the ________________. >>>Diaphragm (2) Perfusion >>>the ability of the cardiovascular system to pump oxygenated blood to the tissues and return deoxygenated blood to the lungs (3) Diffusion >>>the process of exchange of respiratory gases in the alveoli and capillaries Work of Breathing (WOB) >>>the effort required to expand and contract the lungs The amount of energy expended on breathing depends on: (3) >>>- rate and depth of breathing - the ease in which the lungs can be expanded (compliance) - airway resistance Inspiration >>>active process, stimulated by chemical receptors in the aorta Expiration >>>passive process that depends on the elastic recoil properties of the lungs, requiring little or no muscle work Surfactant >>>a chemical produced in the lungs to maintain the surface tension of the alveoli and keep them from collapsing. Patients with advanced _________________ lose the elastic recoil of the lungs and thorax. >>>Chronic Obstructive Pulmonary Disease (COPD) Atelectasis >>>a collapse of the alveoli that prevents normal exchange of oxygen and carbon dioxide Compliance >>>the ability of lungs to distend or expand in response to increased intra-alveolar pressure Airway Resistance >>>the increase in pressure that occurs as the diameter of the airway decreases from mouth/nose to alveoli [Show More]

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