Question

Describe total lung capacity

A. Extra volume that can be actively expired
B. Volume of air entering the lungs during a single breath
C. Maximum volume that can be moved out during a single breath following maximu inspiration
D. Volume remaining in the lungs after maximal expiration
E. Maximum volume of air that the lungs can hold

Answer 1

Total lung capacity is the maximum volume of air that the lungs can hold and is the sum of tidal volume, inspiratory reserve volume, expiratory reserve volume, and residual volume.

Step-by-step explanation:

Total lung capacity refers to the maximum volume of air that the lungs can hold. It is the sum of tidal volume, inspiratory reserve volume, expiratory reserve volume, and residual volume. Tidal volume is the volume of air inhaled and exhaled during a normal breath, while inspiratory reserve volume is the additional amount of air that can be inhaled after a normal inspiration. Expiratory reserve volume is the additional amount of air that can be exhaled after a normal expiration, and residual volume is the volume of air that remains in the lungs after a maximal expiration.