MCQ – 90830

The following congenital heart disease is seen due to a defect in which aortic arch

Correct Answer � D Explanation

The 6th aortic arch gives rise to the ductus arteriosus and the pulmonary arteries, which will eventually anastomose with arteries developing in the lungs.

Patent ductus arteriosus (PDA) is a persistent opening between the two major blood vessels leading from the heart. The heart problem is present from birth. That means it is a congenital heart defect. An opening called the ductus arteriosus is part of a baby’s blood flow system in the womb