Exam (elaborations)
NUR 110 ( LATEST 2024 / 2025 ) OXYGENATION | QUESTIONS & ANSWERS (SOLVED)
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NUR 110 ( LATEST 2024 / 2025 ) OXYGENATION | QUESTIONS & ANSWERS (SOLVED)
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NUR 110 Oxygenation1. Upper airway structures
Answer
Nose
Pharynx
Larynx
Epiglottis
2. Lower airway structures
Answer
Trachea
Bronchi
Bronchioles
3. T/F
The lower airway is considered sterile.
Answer
True
4. How many lobes does the right lung have?
Answer
3
1. superior
2. middle
3. inferior
-Separated by a horizontal and oblique fissure
5. How many lobes does the left lung have?
,Answer
2
1. superior
2. inferior
-Separated by the oblique fissure
6. What is the importance of the epiglottis?
Answer
Prevents food from going down into the lungs
7. What is the function of the airway?
Answer
Humidify, warm, and filter (mucus & cilia) the air.
8. Apex of the lungs
Answer
Upper portion extending above the clavicles
9. Base of the lungs
Answer
Lower portion resting on diaphragm
10. Alveoli
Answer
Tiny air sacs responsible for gas exchange
11. Pleurae of lungs
Answer
Double layered membrane covering the surface of the lungs and lining the thoracic cavity
12. Pleural Fluid
, Answer
Lubricates the space between the two linings
13. Pleuraitis
Answer
Inflammation of the pleural space
14. Type I Alveolar Cells
Answer
Gas exchange
15. Type II Alveolar Cells
Answer
produce surfactant (phospholipid that reduces alveolar surface tension & keeps them from
collapsing)
16. How many alveoli does a health adult have?
Answer
About 300 million
17. Ventilation
Answer
Movement of air in and out of the lungs
18. 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
19. Expiration/Exhalation
Answer
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