Which singular congenital defect involves failure of closure of the connection between the pulmonary artery and aorta?
a. atrial septal defect
b. ventriculo septal defect
c. patent ductus arteriosus
d. tetralogy of Fallot
Question 2
What is the term for a localized stricture of the aorta found in a pediatric patient?
a. coarctation
b. stenosis
c. prolapsed
d. arteriosis