part 3 (pulmonary volumes and capacities)

ENUMERATE THE VOLUMES

TIDAL VOLUME

INSPIRATORY RESERVE VOLUME

EXPIRATORY RESERVE VOLUME

RESIDUAL VOLUME

Defined as the amount / volume of air inspired and expired with each normal breath

TIDAL VOLUME

TIDAL VOLUME normal value

500 mL

Defined as the amount / volume of air that can be inspired after a normal inspiration

INSPIRATORY RESERVE VOLUME (IRV)

INSPIRATORY RESERVE VOLUME (IRV) normal value

3000 mL

○ Defined as the amount / volume of air that can be expired after a

normal of resting expiration

EXPIRATORY RESERVE VOLUME (ERV)

EXPIRATORY RESERVE VOLUME (ERV) normal value

○ Normal value: 1000mL

Defined as the amount / volume of air left in the lungs after a forceful or maximal expiration

RESIDUAL VOLUME

RESIDUAL VOLUME normal value?

1500mL

Enumerate the capacities

“I Feel Very Tired“

● INSPIRATORY CAPACITY

● FUNCTIONAL RESIDUAL CAPACITY

● VITAL CAPACITY

● TOTAL LUNG CAPACITY

Defined as the amount / volume of air that is maximally inspired after a normal expiration

INSPIRATORY CAPACITY

INSPIRATORY CAPACITY normal value

3500 mL

Defined as the amount / volume of air left inside the lungs after a normal expiration

● FUNCTIONAL RESIDUAL CAPACITY

● FUNCTIONAL RESIDUAL CAPACITY normal value

2500 mL

Defined as the amount / volume of air that can be maximally expired after a forceful or maximal inspiration

● VITAL CAPACITY

● VITAL CAPACITY normal value

4500 mL

Defined as the amount / volume of air that can be contained in the lungs after a forceful inspiration

● TOTAL LUNG CAPACITY

● TOTAL LUNG CAPACITY normal value

6000 mL