Gas Exchange Flashcards
The process by which oxygen is transported TO the cells and carbon dioxide is transported FROM the cells
Gas Exchange
The flow of blood through arteries and capillaries delivering nutrients and oxygen to the cells
Perfusion
Insufficient flow of oxygenated blood to tissues.
Ischemia
Insufficient oxygen reaching cells.
Hypoxia
Total lack of oxygen in body tissues.
Anoxia
Reduced oxygenation of arterial blood.
Hypoxemia
What disorders can lead to changes in gas exchange?
Asthma, pneumonia, COPD, emphysema, and chronic bronchitis.
What are three broad categories of gas exchange?
- Ventilation
- Transportation
- Perfusion
The process of inhaling oxygen into the lungs and exhaling carbon dioxide from the lungs.
Ventilation
The availability of (hg) hemoglobin and its ability to carry oxygen from the alveoli to the cells for metabolism and take carbon dioxide produced by cellular metabolism from cells to alveoli to be eliminated.
Transportation
Refers to the availability of blood to transport oxygen-containing (hg) hemoglobin to the cells and return carbon dioxide-containing (hg) hemoglobin to the alveoli.
Perfusion
What mild impairment is common with compromised gas exchange?
Fatigue
An acute infection of the lung parenchyma.
Pneumonia
An acute lung infection occurring in patients that have not been hospitalized or lived in long-term care facility within 14 days of onset of symptoms.
Community-Acquired Pneumonia (CAP)