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Respiratory Vocabulary 2

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Tidal Volume
Respiratory Volume; the lung volume representing the normal volume of air displaced between normal inspiration and expiration
Expiratory Reserve Volume
The amount of air that can be forcibly exhaled after tidal expiration.
Inspiratory Reserve Volume
The amount of air that can be taken in forcibly over the tidal volume.
Vital Capacity
The total amount of exchangeable air.
Total Lung Capacity
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Residual Volume
Allows gas exchange to go on continuously even between breaths and helps to keep the alveoli open. Air still remaining in the lungs that cannot be voluntarily expelled.
Hypoxia
Deficiency in the amount of oxygen reaching the tissues.
Cyanosis
If breathing stops for an extended time and there is bluish discoloration of the skin.
Chronic Obstructive Pulmonary Disease
A nonreversible lung disease that is a combination of emphysema and chronic bronchitis; usually patients have been heavy cigarette smokers.
Emphysema
The alveoli enlarge as the walls of adjacent chambers break through, and chronic inflammation promotes fibrosis of the lungs.
Chronic Bronchitis
The mucosa of the lower respiratory passages becomes severely inflamed and produces excessive amounts of mucus.
Lung Cancer
Carcinoma of the lungs; one of the commonest forms of cancer.