The primary function of surfactant is to increase surface tension in the newborn's lungs.

Name: The primary function of surfactant is to increase surface tension in the newborn's lungs.
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The primary function of surfactant is actually to decrease surface tension in the lungs, particularly in premature or underdeveloped lungs. This helps to prevent the collapse of the alveoli (air sacs) during exhalation and maintain their inflation for efficient gas exchange.

The Primary Function of Surfactant Is to Increase Surface Tension