Which of the Choices Below Describes the Forces That Act

Multiple Choice

Which of the choices below describes the forces that act to pull the lungs away from the thorax wall and thus collapse the lungs?

A) compliance and transpulmonary pressures
B) compliance and the surface tension of the alveolar fluid
C) the natural tendency for the lungs to recoil and the surface tension of the alveolar fluid
D) the natural tendency for the lungs to recoil and transpulmonary pressures