A)is produced by pneumocytes type I.
B)phagocytizes dust or debris.
C)replaces mucus in the alveoli.
D)plays a key role in keeping alveoli open.
E)is not found in healthy lung tissue.
The removal of pleural fluid for diagnostic purposes is called
Damage to the septal cells of the lungs would most likely result in
A)a thickening of the respiratory membrane.
B)an increased rate of gas exchange.
D)reduction in surfactant production.
E)decreased surface tension in the alveoli.
Pulmonary ventilation refers to
A)the movement of air into and out of the lungs.
B)the movement of dissolved gases from the alveoli to the blood.
C)the movement of dissolved gases from the blood to the interstitial space.
D)the movement of dissolved gases from the interstitial space to the cells.
E)the utilization of oxygen.