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Review of Gas Exchange: In a Nutshell (Nursing)
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Slides Nursing ARDS Review of Gas Exchange.pdf
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Reference List Medical Surgical Nursing and Pathophysiology Nursing.pdf
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Download Lecture Overview
00:01 So, let's wrap up this video series. 00:02 The alveoli are the only place in the lungs where oxygen and carbon dioxide are exchanged. 00:09 The walls of the alveoli and the capillaries are one-cell thick, and that's to allow for diffusion of oxygen into the capillaries and carbon dioxide into the alveoli to be exhaled. 00:21 Now, there's three types of cells in the alveoli, Type I, Type II, and macrophages. 00:27 Surfactant is produced by the Type II cells and reduces surface tension which helps prevent the alveoli from collapsing. 00:35 Now, the walls of the alveoli are destroyed in respiratory diagnoses like emphysema. 00:42 They're penetrated with inflammatory substances and filled with fluid in ARDS, and they collapse due to lack of surfactant in premature infants. 00:52 Thanks for watching our video today.
About the Lecture
The lecture Review of Gas Exchange: In a Nutshell (Nursing) by Rhonda Lawes, PhD, RN is from the course Acute Respiratory Distress Syndrome (ARDS) (Nursing).
Included Quiz Questions
Which statements about gas exchange are true? Select all that apply
- The alveoli and capillaries are one cell thick
- The alveoli are the only place in the lungs where gas exchange occurs
- Surfactant reduces surface tension and prevents the alveoli from collapsing
- Type I cells produce surfactant
- Inflammation causes the alveoli in immature infants to collapse
Author of lecture Review of Gas Exchange: In a Nutshell (Nursing)
Rhonda Lawes, PhD, RN
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