Wk 8 - LE 16: Respiratory (Ventilation, Flows and Volumes) Flashcards
You have about ___L of air in your lungs at any given time
3L
The depth of the breath is equivalent to ___ ___
Tidal volume
At rest, you generally inspire and expired ____mL of air
500 mL (0.5L)
With exercise, you can get from _____ to ____ mL per breath
2000-4000 (2-4L)
___ ____ is the volume of air which does not reach the respiratory zone (does not participate in gas exchange)
Dead space
______ = TV x fb
minute ventilation = Tidal volume x frequency breathing
Alveolar ventilation =
Alveolar ventilation = (TV - dead space) x fb
What the air called that remains in your lungs after expiration?
Residual volume
Hyperinflated lungs means..?
The operating range of lung volume is shifted up (don’t expire all the way)
At high exercise intensities do men or women have a higher minute ventilation?
Women
In normal individuals, about ___% of the total VO2 at VO2 max goes into breathing muscles.
15%
The ratio of alveolar ventilation to pulmonary blood flow is approx ____
1