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21 Cards in this Set
- Front
- Back
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Total lung capacity |
volume of air in lungs upon maximum effort of inspiration Formula: TLC = IRC +TV +ERV +RV |
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Tidal volume |
Amt. Of air inhaled and exhaled during normal breathing
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Vital capacity |
Maximum amt of air that can be exhaled after maximum inhalation Formula: VC= IRC + TV + ERV |
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Residual volume |
Amt of air remaining in lungs after fully exhaling |
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Inspiration reserve volume |
Amt of air that can be inhaled beyond normal tidal volume |
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Expiratory reserve volume |
Amt of air that can be exhaled past normal tidal volume |
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Inspiratory capacity |
Maximum amt of air that can be inhaled including the tidal volume FORMULA: TV + IRV |
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Functional residual capacity |
Volume of air that is left in the lungs after normal passive expiration
FORMULA: ERV + RV |
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FEV1 |
Amt of air that can be forcefully exhaled in 1 sec a during forced vital capacity test |
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FeV1 /fvc |
The ratio amt of air forcefully exhaled in 1st second divided by the total amt that is exhaled |
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What are the accessory muscles of inspiration |
- Sternocleidomastoid and scalene muscles |
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What is spirometry testing |
diagnosing breathing disorders |
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What are the muscles of inspiration |
- Diaphragm and external intercostal |
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Accessory muscles of expiration |
Rectus abdominis, transverse abdominis, external and internal obliques, and internal intercostal |
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What is the upper respiratory tract |
Nasal cavity, oral cavity, pharynx |
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3 regions of the pharynx |
Nasopharynx, oropharynx, laryngopharynx |
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Lower respiratory tract |
Larynx, trachea, bronchi, lungs, bronchioles, alveoli |
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What are alveoli |
Lower regions of the lungs that are responsible for gas exchange |
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Sturctures that are ciliated pseudostratified columnar |
Larynx, trachea, and primary bronchi |
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Structures that are simple columnar |
Secondary bronchi, tertiary bronchi, and bronchioles |
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Structures that are simple squamous |
Alveoli |
