Why is taking the first breath hard work for the newborn?
A) The lungs are not elastic.
B) The intercostal muscles are not mature enough.
C) The diaphragm is inflexible.
D) The surface tension within the alveoli is very high.
E) The respiratory center in the medulla is not yet mature.

Question

Quizplus · Accepted Answer

The surface tension within the alveoli is very high at birth because the lungs are filled with fluid, and the surfactant that reduces surface tension is not fully functional, making the first breath difficult.

Why Is Taking the First Breath Hard Work for the Newborn