Pulmonary block exam 1

The amount of air you breathe in and out during normal, relaxed breathing

TV-Tidal volume

The extra air you can breathe in after a normal breath in.

IRV – Inspiratory Reserve Volume

Taking a really deep breath after a normal inhale.

The extra air you can breathe out after a normal breath out.

ERV – Expiratory Reserve Volume

Forcing out more air after you already exhaled normally.

The air that always stays in your lungs, even after you breathe out as hard as you can.

RV – Residual Volume

You can’t empty your lungs completely

The total air you can breathe in starting from a normal resting breath out.

IC – Inspiratory Capacity

How much you can inhale if you take the biggest breath possible.

The amount of air left in your lungs after a normal breath out.

FRC – Functional Residual Capacity

The maximum air you can breathe out after taking the biggest breath in.
👉 Full inhale → full exhale.

Vital Capacity

The maximum amount of air your lungs can hold.
👉 Every bit of air in your lungs at their fullest.

TLC – Total Lung Capacity