Some Human Infants, Especially Those Born Prematurely, Suffer Serious Respiratory

question 20

Multiple Choice

Some human infants, especially those born prematurely, suffer serious respiratory failure because of

• A) the sudden change from the uterine environment to the air.
• B) the overproduction of surfactants.
• C) the incomplete development of the lung surface.
• D) lung collapse due to inadequate production of surfactant.
• E) mutations in the genes involved in lung formation.

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