NUR 110 Oxygenation
- Upper airway structures
Answer Nose Pharynx Larynx Epiglottis
- Lower airway structures
Answer Trachea Bronchi Bronchioles
3. T/F
The lower airway is considered sterile.
Answer True
- How many lobes does the right lung have?
Answer 3
- superior
- middle
- inferior
-Separated by a horizontal and oblique fissure
- How many lobes does the left lung have? 1 / 3
Answer 2
- superior
- inferior
-Separated by the oblique fissure
- What is the importance of the epiglottis?
Answer Prevents food from going down into the lungs
- What is the function of the airway?
Answer Humidify, warm, and filter (mucus & cilia) the air.
- Apex of the lungs
Answer Upper portion extending above the clavicles
- Base of the lungs
Answer Lower portion resting on diaphragm
- Alveoli
Answer Tiny air sacs responsible for gas exchange
- Pleurae of lungs
Answer Double layered membrane covering the surface of the lungs and lining the thoracic cavity
- Pleural Fluid 2 / 3
Answer Lubricates the space between the two linings
- Pleuraitis
Answer Inflammation of the pleural space
- Type I Alveolar Cells
Answer Gas exchange
- Type II Alveolar Cells
Answer produce surfactant (phospholipid that reduces alveolar surface tension & keeps them from collapsing)
- How many alveoli does a health adult have?
Answer About 300 million
- Ventilation
Answer Movement of air in and out of the lungs
- Inspiration/Inhalation
Answer ? The diaphragm contracts and moves down
? Intercostal muscle contract and left the rib cage outward ? Lung expansion creates negative pressure and draws air in through the trachea
- Expiration/Exhalation
- / 3
Answer