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