Respiratory Volumes

Question 1

Respiratory Volume

Answer 1

Amount of air moved in and out of the lungs

Question 2

Tidal Volume

Answer 2

the amount of air that normally enters the lung during quiet breathing, about 500 ml

Question 3

Expiratory reserve volume

Answer 3

the amount of air that can be forcefully exhaled past a normal tidal expiration, up to 1200 for men

Question 4

Inspiratory reserve volume

Answer 4

the amount of air that can be forcefully inhaled past a normal tidal inspriration

Question 5

Total Lung Capacity

Answer 5

Sum of all lung volumes (TV+ERV+IRV+RV) the total amount of air a person can hold in the lungs after forceful inhalaltion

Question 6

Vital Capacity

Answer 6

sum of (TC+ERV+IRV); the amount of air a person can move in and out of the lungs

Question 7

Inspiratory capacity

Answer 7

Sum of (TV+IRV) the maximum amount of air that can be inhaled past a normal tidal expiration

Question 8

Functional residual capacity

Answer 8

Sum of (ERV+RV) the amount of air that remains in the lungs after a normal tidal expiration