Vascular Development: Arterial System Quiz

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Questions and Answers

What is formed from the left horn of the aortic sac?

  • Innominate artery
  • Right subclavian artery
  • Arch of the aorta (correct)
  • Left subclavian artery

Between which aortic arches does the dorsal aorta disappear?

  • Fifth and sixth
  • Sixth and seventh
  • Fourth and fifth
  • Third and fourth (correct)

Which artery is formed from the right horn of the aortic sac?

  • Left subclavian artery
  • Right subclavian artery
  • Innominate artery (correct)
  • Arch of the aorta

In the aortic arch system, what happens to the right dorsal aorta between the seventh intersegmental artery and the left dorsal aorta junction?

<p>Disappears (B)</p> Signup and view all the answers

What is responsible for the recurrent course of the recurrent laryngeal nerves?

<p>The heart's descent (B)</p> Signup and view all the answers

Which structure moves up and hooks around the right subclavian artery on the right side?

<p>Recurrent laryngeal nerve (D)</p> Signup and view all the answers

What persists as the ductus arteriosus on the left side?

<p>Sixth aortic arch (A)</p> Signup and view all the answers

Which part of the aortic sac forms the innominate artery?

<p>Right horn (A)</p> Signup and view all the answers

Which structure is formed when the two ventral aortae fuse during aortic arches development?

<p>Aortic sac (C)</p> Signup and view all the answers

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

<p>Five pairs (B)</p> Signup and view all the answers

Where do the aortic arches connect the aortic sac and the dorsal aortae?

<p>Ventrally (A)</p> Signup and view all the answers

At what region does the fusion of the dorsal aortae to form a single vessel occur?

<p>Caudal to the sixth arch (B)</p> Signup and view all the answers

What happens to the fifth aortic arch during development?

<p>It forms incompletely and then regresses (A)</p> Signup and view all the answers

Which structure remains paired in the region of the aortic arches during development?

<p>Dorsal aortae (A)</p> Signup and view all the answers

What is embedded in the pharyngeal arches during aortic arches development?

<p>Dorsal aortae (B)</p> Signup and view all the answers

Which part of the arterial system does the aortic sac arise from?

<p>(Arterial System) (B)</p> Signup and view all the answers

Which vessel regresses completely during further development of the arterial pattern?

<p>Stapedial artery (D)</p> Signup and view all the answers

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

<p>Aorticopulmonary septum (D)</p> Signup and view all the answers

Which structure contributes to the formation of the brachiocephalic artery?

<p>First aortic arch (A)</p> Signup and view all the answers

What is the fate of the remaining portion of the second aortic arch?

<p>Contributes to the stapedial artery (C)</p> Signup and view all the answers

Which part of the internal carotid artery is formed by the third aortic arch?

<p>Proximal part (C)</p> Signup and view all the answers

Which artery is a bud of the third aortic arch?

<p>External carotid artery (A)</p> Signup and view all the answers

On which side does the fourth aortic arch form part of the arch of the aorta?

<p>Left side (D)</p> Signup and view all the answers

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

<p>Hypertension in the arms with low blood pressure in the legs (A)</p> Signup and view all the answers

Which structure hooks around the right subclavian artery after the disappearance of the distal part of the sixth aortic arch?

<p>Right recurrent laryngeal nerve (D)</p> Signup and view all the answers

What anomaly 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?

<p>Double aortic arch (D)</p> Signup and view all the answers

In which artery does the left recurrent laryngeal nerve hook around after transformation of the great arteries in adults?

<p>Ligamentum arteriosum (D)</p> Signup and view all the answers

What abnormality involves obliteration of the left fourth arch and dorsal aorta replaced by corresponding vessels on the right side?

<p>Right sided aortic arch (B)</p> Signup and view all the answers

Which defect is one of the most frequently occurring abnormalities of the great vessels, especially in premature infants?

<p>Patent ductus arteriosus (D)</p> Signup and view all the answers

What happens to the fifth aortic arch during development?

<p>It partially forms and then disappears (A)</p> Signup and view all the answers

'Broken lines, obliterated components' refers to what stage in vascular development?

<p>Aortic arches after transformation (A)</p> Signup and view all the answers

What does the distal part of the right subclavian artery come from?

<p>Right dorsal aorta (D)</p> Signup and view all the answers

What happens to the fifth aortic arch according to the text?

<p>It forms incompletely and regresses (D)</p> Signup and view all the answers

Which artery is known as the pulmonary arch?

<p>Sixth aortic arch (B)</p> Signup and view all the answers

What does the proximal part of the sixth aortic arch become?

<p>Pulmonary arteries (A)</p> Signup and view all the answers

What happens to the distal portion of the right sixth aortic arch?

<p>Loses connection with the dorsal aorta and disappears (B)</p> Signup and view all the answers

Which structure persists as the ductus arteriosus during intrauterine life?

<p>Distal part of left subclavian artery (A)</p> Signup and view all the answers

Where do the seventh intersegmental arteries migrate to?

<p>Level of the fourth aortic arch (B)</p> Signup and view all the answers

What does all of the subclavian artery on the left side come from?

<p>Seventh aortic arch (B)</p> Signup and view all the answers

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