Inspiratory reserve volume:

[image]

A

Expiratory reserve volume:

[image]

C

Tidal volume:

[image]

B

 Residual volume:

[image]

D

Vital capacity:

[image]

A+B+C

Inspiratory capacity:

[image]

A + B

Functional residual capacity:

[image]

C + D

Total lung capacity:

[image]

A + B + C + D

Airway obstruction:

[image]

A

Restrictive disease:

[image]

D

Total lung capacity:

[image]

B

Residual volume:

[image]

E

Forced expiratory volume at 1 second:

[image]

C

Ratio of forced expiratory volume in 1 sec to forced vital capacity:

 [image]

C divided by E

Maximum inspiration:

[image]

B

Normal tidal volume:

[image]

A

Forced expiratory flow at 25 and 75%:

[image]

C

Forced expiratory volume:

[image]

B

Total lung capacity:

[image]

D

Residual volume:

[image]

A