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19 Cards in this Set
- Front
- Back
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What is a conducting zone |
anatomical dead space |
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What is respiratory zone |
place of gas exchange |
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What are the upper respiratory structures |
- nasal cavity - pharynx - larynx |
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Nasopharynx |
air only |
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Oropharynx |
food and air |
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laryngopharynx
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food and air |
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What are lower respiratory structures |
- trachea - primary bronchi - bronchioles |
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Tracheal cartilages |
c-shaped, hyaline cartilage |
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Type II Alveolar cells |
produce surfactant |
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Parts of lungs |
Cardiac notch 3 lobes (right) 2 lobes (left) |
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What two type of epithelium are in the respiratory structures |
- simple squamous - ciliated puesdostratified columnar |
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What muscles are used in normal breathing |
diaphragm and external intercostals |
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What muscles are used in ascessory breathing |
- internal intercostals - abdominal muscles |
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Inspiratory reserve volume |
3.1 Liters |
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What is the Ph of blood |
7.4 +/- .02 |
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Chemical reaction to buffer blood |
h20 + CO2 -> H2CO3 -> H+ + HCO-3 |
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Where are the sensory receptors for breathing |
carotid sinus and medulla brain stem |
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internal respiration |
inside of the lungs |
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external respiration |
outside of lungs |
