Spirometer readings

Question 1

Tidal volume

Answer 1

Normal volume of air taken in and out of the lungs

Question 2

Vital capacity

Answer 2

Max volume of air we can inhale and exhale - 0.5dm3

Question 3

Residual volume

Answer 3

Volume of air that permanently stays in the lungs after strongest exhalation

Question 4

Total lung capacity

Answer 4

Vital capacity + residual volume

Question 5

Forced expiratory volume (FEV1)

Answer 5

Maximum volume of air that can be breathed out in 1 second

Question 6

Forced vital capacity

Answer 6

The maximum volume of air that can be breather forcefully out of lungs

Question 7

Pulmonary ventilation

Answer 7

Total volume x Ventilation rate = Pulmonary ventilation
dm3 min-1 dm3min-1

Question 8

Correlation is not

Answer 8

Causation