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Physiology

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Respiration

Question
5 out of 15
 

Vital capacity is:



A TV+RV
B IRV+ERV

C TV+IRV+ERV
D TV+IRV

Ans. C TV+IRV+ERV

Various Lung Volumes

Tidal volume

The amount of air which moves into the lung with each inspiration (or whic comes out with each expiration)

Inspiratory reserve volume (IRV)

The excess air above the tidal volume which can be inspired with maximum inspiratory effort. Q

Expiratory reserve volume (ERV)

It is the volume of air that can be expelled by an active expiratory effort after passive expiration Q

Residual volume

It is the volume of air that is left in lung after maximum expiratory effort

Vital capacity

The maximum amount of air that can be expired after a maximum inspiratory effort.

FEV 1

Fraction of vital capacity expired in one second

Respiration Flashcard List

15 flashcards
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