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TIDAL VOLUME Vt
volume of a normal breath
inspiratory reserve volume (IRV)
IRV is max amt of gas that can be forcefully expired at end of a normal breath
expiratory reserve vol (ERV)
ERV is max amt of gas that can be forcefully expired at end of normal breath
residual volume (RV)
RV is amt of air remianing in lungs after max expiration
inspiratory capacity (IC)
IC is max vol of gas that can be inspired at normal resting expiration. IC distends the lungs to their max amt
functional residual capacity (FRC)
vol of gas remaining in lungs at normal resting expiration is FRC
vital capacity (VC)
max vol of gas that can be forcefully expired after max inspiration VC
total lung capacity (TLC)
vol of gas in lungs at end of max inspiration (TLC)
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