Functional Residual Capacity (FRC),is the Volume of Air Remaining in the Lungs

question 1

Multiple Choice

Functional residual capacity (FRC) ,is the volume of air remaining in the lungs at the:

• A) beginning of end-tidal expiration.
• B) end of end-tidal expiration.
• C) middle of end-tidal expiration.
• D) presence of maximal arterial oxygenation.