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    Egans Fundamentals of Respiratory Care Study Set 1
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    Exam 9: The Respiratory System
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    Why Is Pulmonary Surfactant Such an Important Biologic Substance
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Why Is Pulmonary Surfactant Such an Important Biologic Substance

Question 10

Question 10

Multiple Choice

Why is pulmonary surfactant such an important biologic substance?


A) It clears out cellular debris.
B) It is an alveolar macrophage.
C) It promotes lung contraction aiding exhalation.
D) It promotes lung stability.

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