Surfactant Is Necessary to Prevent Collapse of the Alveoli in the Lung

question 15

Multiple Choice

Surfactant is necessary to prevent collapse of the alveoli in the lung because in its absence, water molecules

• A) vaporize and take up much less space.
• B) are more strongly attracted to each other by van der Waals forces.
• C) are more strongly attracted to each other by cohesive forces.
• D) congregate around nearby proteins to which they adhere.

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