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Ch7 Lung Volume/Cap

Terms for lung volumes and capacities

QuestionAnswer
Tidal Volume (TV) Amount of air that enters the lungs in a single inhalation or amount of air that leaves the lungs in a single exhalation.
Inspiratory reserve volume (IRV) The air that can be forcibly inhaled after a normal respiration has taken place. Also called complemental air.
Expiratory reserve volume (ERV) Amount of air that can be forcibly exhaled after a normal quiet respiration. Also called supplemental air.
Residual volume (RV) The air remaining in the lungs after a forced exhalation.
Inspiratory capacity (IC) The volume of air inhaled after a normal exhale.
Fuctional residual capacity (FRC) The air that remains in the lungs after a normal exhalation.
Vital capacity (VC) Total volume of air that can be exhaled after maximum inhalation.
Total lung capacity (TLC) The volume of air in the lungs after a maximum inhalation.
Created by: AltheaMathews