Lung volumes

Question 1

define tidal volume

Answer 1

volume of air that enters and leaves the lungs with each normal quiet breath
~500ml

Question 2

define inspiratory reserve volume

Answer 2

extra volume of air that can be inspired above the tidal volume

Question 3

define expiratory reserve volume

Answer 3

volume of air that can be expired beyond the tidal volume

Question 4

define residual volume

Answer 4

volume remaining in lungs after maximal expiration

Question 5

define vital capacity

Answer 5

volume that can be exhaled after maximal inspiration

Question 6

define inspiratory capacity

Answer 6

volume breathed in from quiet expiration to maximal inspiration

Question 7

define functional residual capacity

Answer 7

volume remaining after normal quiet expiration

Question 8

define total lung capacity

Answer 8

volume in lungs after maximal inspiration

Question 9

define anatomical dead space

Answer 9

volume of air that never reaches the alveoli

Question 10

define alveolar dead space

Answer 10

volume of air that reaches the alveoli but doesnt participate in gas exchange