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Artic. Phys. Exam #1

Respiration & Speech

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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