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PT202 Quiz 2
Quiz 2 Material
| Term | Definition |
|---|---|
| Pulmonary Ventilation | The exchange of air between the atmosphere and the air sacs of the lungs |
| Nostrils | Air enters the body through these |
| Nasopharynx | The superior portion, located behind the nasal cavity |
| Larynx | Commonly called the Voice Box |
| Vocal Cords | These vibrate as air flows over them from the lungs |
| Epiglottis | A leaf-shaped cartilage that covers the larynx during swallowing |
| Trachea | Commonly called the windpipe |
| Mediastinum | The space between the lungs, including the esophagus, trachea, and lymph nodes |
| Diaphragm | A muscular partition of the abdominal cavity |
| Inhalation | Inspiration, the drawing of air into the lungs |
| Exhalation | Expiration, the expulsion of air from the lungs |
| Compliance | The ease with which one can expand the lungs and thorax |
| Apnea | A temporary cessation of breathing |
| Internal Exchange | The exchange of gases between the blood and cells |
| Diffusion | The movement of molecules from an area in which they are in higher concentration to an area in which they are lower concentration |
| Dyspnea | Difficult or labored braething |