Values measured from Pulmonary Function test

Question 1

Total amount of air inhaled and exhaled with one breath

Answer 1

Tidal Volume (TV)

Question 2

Maximum amount of air exhaled after maximum inspiration.

amount of air displaced by maximal exhalation

Answer 2

Vital Capacity (VC)

Question 3

Maximum amount of air that can be forcefully exhaled after a full inspiration

Answer 3

Forced Vital Capacity (FVC)

Question 4

The amount of air exhaled at a specific time interval; for example, in the first, second, and third seconds after a full inspiration

Answer 4

Forced Expiratory Volume (FEV)

Question 5

The amount of air contained within the lungs at maximum inspiration

Answer 5

Total Lung capacity (TLC)

Question 6

The amount of air left in the lungs at maximal expiration

Answer 6

Residual Volume (RV)

Question 7

The maximum flow attained during the FVC or the forced expiratory maneuver
The speed at which the maximum flow is obtained during a forced expiratory maneuver.
Indicator of how the patient is doing

Answer 7

Peak Expiratory Flow Rate (PEFR)