Spirometer trace definitions

Question 1

Tidal volume

Answer 1

The volume of air which moves into OR out of the lungs with each resting breath.

Question 2

Inspiratory Reserve Volume

Answer 2

The maximum volume of air that can be breathed in over and above a normal inhalation

Question 3

Expiratory Reserve Volume

Answer 3

The extra amount of air that can be forced out of the lungs over and above the normal tidal volume of air you breathe out

Question 4

Residual Volume

Answer 4

The volume of air that is left in the lungs when you have exhaled as hard as possible

Question 5

Vital Capacity

Answer 5

The maximum volume of air that can be breathed in when the strongest possible exhalation is followed by the deepest possible intake of breath

Question 6

Total lung capacity

Answer 6

Sum of vital capacity and residual volume

Question 7

Minute ventilation

Answer 7

The volume of ait breathed in or out per minute. (tidal volume x number of breaths).

Question 8

Which increase during exercise

Answer 8

Tidal volume and Minute ventilation

Question 9

Which decrease during exercise

Answer 9

Inspiratory reserve volume and Expiratory reserve volume

Question 10

Which stay the same during exercise

Answer 10

Vital capacity and Residual volume