Anatomy: Arch of the Aorta Functions and Connections

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Which blood vessel originates from the arch of aorta?

Brachiocephalic artery (correct)

Common carotid artery

External carotid artery

Descending aorta

In relation to its anatomical position, where does the pulmonary trunk lie with respect to the ascending aorta?

On the left side of the ascending aorta

Anterior to the ascending aorta

On the right side of the ascending aorta (correct)

Posterior to the ascending aorta

Which structure is intimately related to the ductus arteriosus and should be avoided during ligation to prevent injury?

Common carotid artery

Pulmonary trunk (correct)

Brachiocephalic artery

Descending aorta

From which blood vessel does the external carotid artery originate?

Arch of aorta Signup and view all the answers

Which blood vessel continues as the arch of aorta at the right second costal cartilage?

Descending aorta Signup and view all the answers

Which major artery branches into the right subclavian and right common carotid arteries?

Brachiocephalic artery Signup and view all the answers

Which artery represents the obliterated ductus arteriosus that was functioning in the embryo?

Innominate artery Signup and view all the answers

Which nerve curves below the arch of aorta to lie behind the ligamentum arteriosum?

Left recurrent laryngeal nerve Signup and view all the answers

Where does the arch of aorta connect with the pulmonary trunk?

At the termination of the pulmonary trunk Signup and view all the answers

Which artery is a branch of the left vagus nerve?

Left common carotid artery Signup and view all the answers

Where does the descending aorta continue as it descends through the thorax?

Opposite the fourth thoracic vertebra (T4) Signup and view all the answers

Which structure originates from the right ventricle opposite the left third costal cartilage?

Pulmonary trunk Signup and view all the answers

Where does the brachiocephalic artery terminate?

Into the right atrium opposite the right third costal cartilage Signup and view all the answers

What is the origin of the descending aorta?

Union of the right and left common iliac veins opposite the fifth lumbar vertebra Signup and view all the answers

What is the course of the external carotid artery?

Ascends in the thorax and curves anteriorly forming an arch Signup and view all the answers

Anatomy: Arch of the Aorta Functions and Connections

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Questions and Answers

Which blood vessel originates from the arch of aorta?

In relation to its anatomical position, where does the pulmonary trunk lie with respect to the ascending aorta?

Which structure is intimately related to the ductus arteriosus and should be avoided during ligation to prevent injury?

From which blood vessel does the external carotid artery originate?

Which blood vessel continues as the arch of aorta at the right second costal cartilage?

Which major artery branches into the right subclavian and right common carotid arteries?

Which artery represents the obliterated ductus arteriosus that was functioning in the embryo?

Which nerve curves below the arch of aorta to lie behind the ligamentum arteriosum?

Where does the arch of aorta connect with the pulmonary trunk?

Which artery is a branch of the left vagus nerve?

Where does the descending aorta continue as it descends through the thorax?

Which structure originates from the right ventricle opposite the left third costal cartilage?

Where does the brachiocephalic artery terminate?

What is the origin of the descending aorta?

What is the course of the external carotid artery?

Where does the pulmonary trunk pass blood to in embryonic life?

What is formed by closing and fibrosing of ductus arteriosus after birth?

Where does the common carotid artery originate from?

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