Surfactant Helps to Prevent the Alveoli from Collapsing by

question 11

Multiple Choice

Surfactant helps to prevent the alveoli from collapsing by .

• A) warming the air before it enters
• B) humidifying the air before it enters
• C) interfering with the cohesiveness of water molecules, thereby reducing the surface tension of alveolar fluid
• D) protecting the surface of alveoli from dehydration and other environmental variations

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