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lung volumes and ventilation
kaplan definitions of lung volumens and ventilation terms
17
Physiology
Graduate
12/02/2010

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Cards

Term
what is the tidal volume?
Definition
amnt of air inspired and expired with every normal breath
Term
how much is the avg tidal volume?
Definition
150 ml
Term
what is inspiratory reserve volume?
Definition
the extra volume of breath that can be inspired after normal tidal volume inhaled
Term
how do you calculate inspiratory reserve volume?
Definition
Vital capacity-(tidal vol + exp. reserve vol)
Term
what is expiratory reserve volume?
Definition
extra volume of air that could still be exspired beyond normal tidal volume
Term
how do you calculate expiratory reserve volume?
Definition
vital capacity- (tidal volume + insp reserve vol)
Term
what is residual volume?
Definition
the volume of air remaining in the lungs after maximal expiration
Term
how do you calculate  residual volume?
Definition
total lung capacity-vital capacity
Term
what is total lung capacity?
Definition
maximal volume to which the lungs can be expanded with the greatest possible inspiratory volume
Term
what is vital capacity?
Definition
maximal expiration following a maximal inspiration
Term
how do you calculate vital capacity?
Definition
total lung capacity-residual volume
Term
what is functional residual capacity?
Definition
amount of air remaining in lungs after normal expiration
Term
what is the difference between residual volume and functional residual capacity?
Definition
both are volumes of air left in lungs after expiration, but residual is after a MAXIMAL expiration and Functional residual is after NORMAL expiration
Term

which can't be measured by spirometry?

tidal volume

inspiratory reserve volume

expiratory reserve volume

residual volume

total lung capacity

vital capacity

functional residual capacity

inspiratory capacity

Definition

total lung capacity & residual volume & functional reserve volume

[anything that has residual volume in formula]

Term
how do you calculate functional residual capacity?
Definition
expiratory reserve vol + residual volume
Term
what is inspiratory capacity?
Definition
total amount of air that can be inhaled after a normal inspiration
Term
how do you calculate inspiratory capacity?
Definition
tidal vol. + inspiratory reserve volume
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