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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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jock52 jock52
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12 years ago
What might happen to ventilation if the watery film lining the alveoli did not contain surfactant?

A. Not much. Surfactant is not important except during development.
B. Ventilation would be negatively affected. Without surfactant, the lungs would probably not be able to inflate.
C. Ventilation would improve. Surfactant is a protein-lipid complex that interferes with gas exchange once we are born.
D. None of these
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jock52 Author
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#1
12 years ago
I put B.  Curious to see what others think.
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john123john123
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12 years ago
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#3
12 years ago
therefore the lining of the alveoli would suffer from ventilation distress and would eventually sustain to a non-breathing death --with supplementary causes from the pollution and the global warming with the black ozone and pollution being a contributory factor in the dying of the lining of the alveoli--it's a sorry mess of pollution and global warming to be sure
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#4
Educator
12 years ago
Generally with surfactant present, airflow will further increase. This is why premature infants have difficulty with normal breathing, that is because they lack sufficient surfactant which decreases the surface tension in the alveoli.
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