Embryonic Vascular Development Quiz

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Which artery hooks around the ligamentum arteriosum in adults?

Right recurrent laryngeal nerve (correct)

Left recurrent laryngeal nerve

Left subclavian artery

Right subclavian artery

What is the classical clinical sign of coarctation of the aorta?

Hypertension in the arms concomitant with lowered blood pressure in the legs (correct)

High blood pressure in the legs

Hypertension in the legs

Hypotension in the arms

What defect is characterized by the persistence of the right dorsal aorta between the origin of the seventh intersegmental artery and its junction with the left dorsal aorta?

Transposition of the great vessels

Right sided aortic arch

Patent ductus arteriosus

Double aortic arch (correct)

What abnormality is one of the most frequently occurring defects of the great vessels, especially in premature infants?

Patent ductus arteriosus Signup and view all the answers

Which arch is involved in right sided aortic arch where the left fourth arch and left dorsal aorta are obliterated?

Sixth aortic arch Signup and view all the answers

After which transformation do the great arteries in adults appear according to the text?

After disappearance of distal part of sixth aortic arch Signup and view all the answers

Which structure forms when the two ventral aortae fuse?

Aortic sac Signup and view all the answers

In aortic arch development, where do the arches connect the aortic sac and dorsal aortae?

Dorsally Signup and view all the answers

How many pairs of arteries arise from contributions of the aortic sac during aortic arch development?

Five Signup and view all the answers

What happens to the fifth aortic arch during development?

It forms incompletely and then regresses Signup and view all the answers

In cases of coarctation of the aorta, where is the narrowing typically located?

After the branching of the arteries to the head and arms Signup and view all the answers

Which congenital anomaly is associated with a connection between the pulmonary artery and the descending aorta?

Patent ductus arteriosus Signup and view all the answers

Which vessel is formed by the third aortic arch during development?

Internal carotid artery Signup and view all the answers

What structure divides the outflow channel of the heart into the ventral aorta and the pulmonary trunk?

Truncus arteriosus Signup and view all the answers

Which artery is formed by the fourth aortic arch on the left side?

Brachiocephalic artery Signup and view all the answers

What is the fate of the first aortic arch during development?

Becomes the maxillary artery Signup and view all the answers

Which vessel is a bud of the third aortic arch?

External carotid artery Signup and view all the answers

During development, what structure gives rise to the proximal segment of the aortic arch?

Aortic sac horns Signup and view all the answers