Define the term pulmonary ventilation, total lung capacity
(TLC), vital capacity (VC), tidal volume (TV), expiratory reserve volume (ERV),
inspiratory reserve volume (IRV), and residual
volume (RV).
Pulmonary
ventilation: inflow and outflow of air between the atmosphere and the lungs
(also called breathing)
Total lung capacity
(TLC): volume of air in the lungs after a maximum inhalation.
Vital capacity (VC):
maximum volume of air that can be exhaled after a maximum inhalation.
Tidal volume (TV):
volume of air breathed in and out in any one breath.
Expiratory reserve
volume (ERV): volume of air in excess of the tidal volume that can be
exhaled forcibly.
Inspiratory reserve
volume (IRV): additional inspired air over and above tidal volume.
Residual volume (RV):
volume of air still contained in the lungs after a maximal exhalation.
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