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.