Question
The following congenital heart disease is seen due to a defect in which aortic arch
| A. | 2nd Aortic Arch |
| B. |
3rd Aortic Arch |
| C. |
4th Aortic Arch |
| D. |
6th Aortic Arch |
Show Answer
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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