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Questions and Answers
What happens to the dorsal aorta between the entrance of the third and fourth arches?
What happens to the dorsal aorta between the entrance of the third and fourth arches?
- It disappears (correct)
- It forms the ductus arteriosus
- It remains unchanged
- It is transformed into the innominate artery
Where does the right dorsal aorta disappear according to the text?
Where does the right dorsal aorta disappear according to the text?
- Between the third and fourth arches (correct)
- Between the first and second arches
- Between the second and third arches
- Between the sixth and seventh intersegmental arteries
What is the role of recurrent laryngeal nerves according to the text?
What is the role of recurrent laryngeal nerves according to the text?
- Supply nerves to the larynx and have a recurrent course (correct)
- Form the innominate artery
- Supply blood to the larynx
- Supply nerves to the heart
What does the right recurrent laryngeal nerve hook around?
What does the right recurrent laryngeal nerve hook around?
What happens to the distal part of the sixth aortic arch on the left side?
What happens to the distal part of the sixth aortic arch on the left side?
From which intersegmental artery is the left subclavian artery formed?
From which intersegmental artery is the left subclavian artery formed?
What happens to the sixth aortic arch on the left side?
What happens to the sixth aortic arch on the left side?
Which artery is formed from the right seventh intersegmental artery?
Which artery is formed from the right seventh intersegmental artery?
What becomes the pulmonary arteries?
What becomes the pulmonary arteries?
What happens to the distal portion of the sixth aortic arch on the right side?
What happens to the distal portion of the sixth aortic arch on the right side?
Which artery does the left distal part of the sixth aortic arch persist as?
Which artery does the left distal part of the sixth aortic arch persist as?
Where do the seventh intersegmental arteries migrate to?
Where do the seventh intersegmental arteries migrate to?
What is the classical clinical sign of coarctation of the aorta?
What is the classical clinical sign of coarctation of the aorta?
What happens to the right recurrent laryngeal nerve as described in the text?
What happens to the right recurrent laryngeal nerve as described in the text?
Which great vessel abnormality involves persistence of the right dorsal aorta between the seventh intersegmental artery and its junction with the left dorsal aorta?
Which great vessel abnormality involves persistence of the right dorsal aorta between the seventh intersegmental artery and its junction with the left dorsal aorta?
What is a common abnormality associated with premature infants among the great vessels?
What is a common abnormality associated with premature infants among the great vessels?
Which structure remains in place on the left side and hooks around the ligamentum arteriosum?
Which structure remains in place on the left side and hooks around the ligamentum arteriosum?
What role does the fifth arch play in the definitive vascular pattern transformation?
What role does the fifth arch play in the definitive vascular pattern transformation?
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