At the End of a Normal Expiration When Outward Air

Multiple Choice

At the end of a normal expiration when outward air flow has ceased,

A) intra-alveolar pressure is less than atmospheric pressure.
B) intra-alveolar pressure is greater than atmospheric pressure.
C) intra-alveolar pressure is equal to atmospheric pressure.
D) intrapleural pressure is greater than atmospheric pressure.
E) intrapleural pressure is greater than intra-alveolar pressure.