0.1 DSA Lung Volumes and Capacities

Question 1

Define tidal volume V(T)

Answer 1

The amount of air inspired or expired in a single breath

Question 2

Define residual volume (RV)

Answer 2

Volume of air that cannot be forced out, no matter how hard one tries

Question 3

Define inspiratory reserve volume (IRV)

Answer 3

Additional volume that can be inhaled greater than tidal volume

Question 4

Define expiratory reserve volume (ERV)

Answer 4

Additional volume that can be exhaled greater than tidal volume

Question 5

Define total lung capacity (TLC)

Answer 5

Maximal volume to which lungs can be expanded with greatest effort

Question 6

Define functional residual capacity (FRC)

Answer 6

Amount of air that remains in the lungs following a normal expiration

Question 7

Define vital capacity (VC)

Answer 7

Amount of air that can be maximally inspired followed a maximal expiration

Question 8

Define inspiratory capacity (IC)

Answer 8

Capacity of air that can be maximally inspired followed a normal exhale