Which of the following statements are true of the infant at birth (Select all that apply)?
A)The lungs are expanded by the first breaths and pulmonary circulation increases.
B)The foramen ovale between the ventricles is closed.
C)The ductus arteriosus dilates to help establish pulmonary circulation.
D)After the umbilical cord is cut,the ductus venosus constricts.
E)An Apgar score is an assessment only of the newborn's breathing.
F)A newborn may have slight jaundice,because the liver is not fully mature.

Question

Quizplus · Accepted Answer

A) The lungs do expand and pulmonary circulation increases after the first breaths.
D) Once the cord is cut, the ductus venosus constricts.
F) Newborns may have slight jaundice because the liver is not fully mature. 
B, C, and E are false statements. The foramen ovale usually closes within a few hours or days after birth, while the ductus arteriosus dilates before birth to shunt blood away from the lungs since the fetus is not breathing air. The Apgar score assesses multiple factors besides breathing, such as heart rate, muscle tone, reflexes, and skin color.

Which of the Following Statements Are True of the Infant