The removal of pleural fluid for diagnostic purposes is called
The layer of serous membrane that covers the surface of the lungs is the
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.
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.