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11 Cards in this Set

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  • Back
Paranasal sinuses
located int the frontal, pphenoid, ethmoid and maxillary bones, lighten skull, and aid in speech
The lining of the trachea is...
Pseudostratified ciliated columnar epithelium, brushes the debris up and out
Tital Volume
Usual volume of air inhaled/exhaled in one breath
**aprox 500 ml of air
(IRV) Inspiratory reserve volume
Norm: 2100 & 3200ml
*Amount of air that can be taken in forcefully over the tital volume
(ERV) Expiratory reserve Volume
aprox 1200
Amount of air that can be forcibly exhailed after tital expiration
Residual Volume
1200ml of air. Amount of air that remains in lungs at all times, to keep aveoli open
Vital Capacity
TV+ IRV +ERV
Total amount of exchangeable air
aprox 4800ml in healthy male
Hering-Breuer Reflex
Protects against extreme deflation of the lungs
Resp groups in the medulla
basic rhythm of breathing
Resp Pneumotaxic center
Located in the pons, rate of breathing
phrenic and intercostal nerves
regulate the diaphram and external intercostals impulses transmited to them thru the brain