Lung Volumes Flashcards
What is meant by tidal volume?
The amount of air which enters the lungs during normal inhalation at rest
What is the average tidal volume?
500ml
What is inspiratory reserve volume?
The amount of extra air that us inhaled about tidal volume during a deep breath. This can be as high as 3000ml
What is expiratory reserve volume?
The amount of extra air exhaled above tidal volume during a forceful breath out
What is residual volume? Why do we have this?
The amount of air left in the lungs following a maximal exhalation. There is always some air required to prevent the lungs from collapsing
What is vital capacity?
The most air 6you have exhale after taking the deepest possible breath
What is total lung capacity?
Vital lung capacity + Residual volume
What is the volume of average total lung capacity?
6000ml
