17 terms

Physiology Respiratory Study Sheet

Chapter 16
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Terms in this set (...)

Alveolar ventilation
respiratory rate X (tidal volume - dead space volume)
Total lung capacity
maximum volume of air that the lungs can hold
Tidal volume
the volume of air entering or leaving the lungs in a single breath during quiet breathing
Inspiratory reserve volume
the extra volume of air that can be maximally inspired over and above the tidal volume
Pulmonary ventilation
amount of air breathed in and out in one minute
Vital capacity
maximum volume of air that can be moved in and out during a single breath
FEV1
volume of air that can be expired during the first second of expiration in a vital-capacity determination
Inspiratory capacity
the maximum volume of air that can be inspired at the end of a normal expiration
Vital capacity
inspiratory reserve volume + tidal volume + expiratory reserve volume
Total lung capacity
vital capacity + residual volume
Anatomic dead space volume
volume of air in the respiratory airways
Expiratory reserve volume
the extra volume of air that can be actively expired by contraction of expiratory muscles beyond that normally expired
Pulmonary ventilation
respiratory rate + tidal volume
Functional residual capacity
volume of air in the lungs at the end of a normal passive expiration
Alveolar ventilation
amount of air that is available for exchange of gases with the blood per minute
Respiratory rate
breaths/minute
Residual volume
the minimum volume of air remaining in the lungs after maximal expiration