A Nurse Is Explaining a Patent Ductus Arteriosus Defect to the Parents

A nurse is explaining a patent ductus arteriosus defect to the parents of a preterm infant. Theparents indicate understanding of the defect when they state that a patent ductus arteriosus:

A) involves a defect that results in a right-to-left shunting of blood in the heart.
B) involves a defect in which the fetal shunt between the aorta and the pulmonary artery fails to close.
C) is a stenotic lesion that must be surgically corrected at birth.
D) causes an abnormal opening between the four chambers of the heart.