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Artic. Phys. Exam #1
Respiration & Speech
| Question | Answer |
|---|---|
| Checking action | inspiratory muscle activity during exhalation to counter act too much relaxation pressure |
| Alveolar pressure (Palv) | pressure inside the lungs |
| Diaphragm | divides the torso into two compartments- it enlarges the thoracic cavity |
| Expiratory reserve volume(ERV) | maximum volume of air that can be expired from the tidal end-expiratory level |
| Functional reserve capacity(FRC) | residual + expiratory reserve volume |
| Inspiratory capacity (IC) | tidal + inspiratory reserve volume |
| Inspiratory reserve volume (IRV) | maximum volume of air that can be inspired from tidal-end-inspiratory level |
| Larynx as a respiratory structure | the larynx has the ability to control the rate at which air flows through it causing less or more pressure |
| Lower airway | larynx, trachea, bronchial tree, lungs |
| Lungs | porous and spongy, contain elastic fibers, right lung has 3 lobes, left lung has 2, covered by membrane known as visceral pleura |
| Parietal pleura | membrane lining the inner chest wall |
| Pleural linkage | the contact between visceral and parietal pleura that causes pleural linkage. this is a force that allows the lungs from collapsing. |
| Pleural pressure | the pressure inside the thorax but outside the lungs. |
| Relaxation pressure (Pr) | pressure produced entirely by the passive force of the breathing apparatus |
| Residual volume(RV) | volume of air in the pulmonary apparatus at the end of a maximum expiration. there is always some air in the lungs that cannot be exhaled. |
| Resting expiratory level (REL) | tidal-end expiratory level during quiet breathing |
| Ribs | during inhalation- rib cage moves up and out during exhalation- rib cage moves down and in |
| Sternum | chest bone the ribs connect to |
| Thorax | cavity containing the respiratory muscles and structures |
| Tidal volume(TV) | volume of air inspired or expired during the breathing cycle. (resting tidal volume) |
| Total lung capacity(TLC) | volume of air in the pulmonary apparatus at the end of a maximum inspiration. IRV+TV+ERV+RV |
| Upper airway | oral cavity, nasal cavity, pharyngeal cavity |
| Visceral pleura | membrane the covers the lungs- involved in pleural linkage |
| Vital capacity | maximum volume of air that can be expired following a maximum inspiration. IRV+TV+ERV |
Created by:
kristen_cannici
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