Which of the Following Is TRUE When the Lung Volume

Multiple Choice

Which of the following is TRUE when the lung volume is equal to the functional residual capacity?

A) Intra -alveolar pressure is greater than atmospheric pressure.
B) Intra -alveolar pressure is less than intrapleural pressure.
C) Intrapleural pressure is zero.
D) The elastic recoil of the lungs is balanced by the elastic recoil of the chest wall.
E) Intra -alveolar pressure is less than atmospheric pressure.