Aorta Anatomy and Connections Quiz

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What important structure is the specialist registrar instructed to avoid injuring during ductus arteriosus ligation?

Descending aorta

Innominate artery (correct)

Pulmonary trunk

Coronary arteries

Where does the ascending aorta originate from?

Left third intercostal space

The arch of aorta

Right second costal cartilage

Left ventricle at the left sternal margin (correct)

Which artery lies on the right side of the pulmonary trunk?

Innominate artery

Coronary arteries

Descending aorta

Arch of aorta (correct)

What is the course of the arch of aorta?

Upwards, backwards, and to the left Signup and view all the answers

Which structure continues as the arch of aorta?

Ascending aorta Signup and view all the answers

Where does the arch of aorta terminate?

Right second costal cartilage Signup and view all the answers

Which vessel has branches known as right and left coronary arteries?

Ascending aorta Signup and view all the answers

What is the relation of the ascending aorta to the pulmonary trunk?

It lies on the right side of the pulmonary trunk. Signup and view all the answers

Where does the innominate (brachiocephalic) artery terminate?

Behind the right sternoclavicular joint Signup and view all the answers

Which artery is a branch of the innominate artery on the right side?

Common carotid artery Signup and view all the answers

Where does the common carotid artery terminate?

Opposite the disc between C3 and C4 Signup and view all the answers

What is contained in the carotid sheath in the neck?

Common carotid artery, internal jugular vein, and vagus nerve Signup and view all the answers

Where does the external carotid artery terminate?

Behind the neck of the mandible Signup and view all the answers

What is the origin of the internal carotid artery?

A branch of the common carotid artery Signup and view all the answers

Which artery is not a branch of the arch of aorta?

Internal carotid artery Signup and view all the answers

Where does the common carotid artery pass through in the neck?

Inside the carotid sheath Signup and view all the answers

Where does the arch of azygos vein terminate?

Into the superior vena cava opposite the right second costal cartilage Signup and view all the answers

Which vessel passes through the diaphragm?

Inferior vena cava Signup and view all the answers

What is the ligamentum arteriosum a fibrous band connecting?

Arch of aorta and pulmonary trunk Signup and view all the answers

Where does the inferior vena cava terminate?

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

What structure forms an arch in the thorax and ascends anteriorly?

Azygos vein Signup and view all the answers

During embryonic life, what is the ductus arteriosus called?

Ductus arteriosus Signup and view all the answers

What is the connection between the superior vena cava and inferior vena cava?

Ligamentum arteriosum Signup and view all the answers

Where does the ligamentum arteriosum connect?

Pulmonary trunk and aorta Signup and view all the answers

What structure represents the obliterated ductus arteriosus that was functioning in the embryo?

Ligamentum arteriosum Signup and view all the answers

Which nerve is a branch of the left vagus nerve and curves below the arch of aorta to lie behind the ligamentum arteriosum?

Left recurrent laryngeal nerve Signup and view all the answers

Which artery is the largest branch of the innominate artery?

Right common carotid artery Signup and view all the answers

Opposite which thoracic vertebra does the arch of aorta continue as the descending aorta?

Fourth thoracic vertebra (T4) Signup and view all the answers

Where does the pulmonary trunk originate from?

Right ventricle opposite the left third costal cartilage Signup and view all the answers

Which structure divides into right common carotid and right subclavian arteries?

Innominate artery Signup and view all the answers

What are the branches of the descending aorta?

Esophageal arteries and diaphragmatic (phrenic) arteries Signup and view all the answers

Where does the descending aorta continue as the abdominal aorta?

Opposite the twelfth thoracic vertebra (T12) Signup and view all the answers

What structure is formed by the union of the right and left innominate veins?

Superior vena cava Signup and view all the answers

Which artery originates from the arch of the aorta on the left side?

Left subclavian artery Signup and view all the answers

What divides the right subclavian artery into three parts as it reaches the neck?

Scalenus anterior muscle Signup and view all the answers

Where does the subclavian artery terminate on the right side?

Axillary artery Signup and view all the answers

Which vessel supplies blood to the brain after entering the skull?

Vertebral artery Signup and view all the answers

What is the termination point of the left innominate vein?

Superior vena cava Signup and view all the answers

Where does the right innominate vein terminate?

Superior vena cava Signup and view all the answers

Which structure originates as a branch of the innominate artery on the right side?

Brachiocephalic trunk Signup and view all the answers

Aorta Anatomy and Connections Quiz

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Questions and Answers

What important structure is the specialist registrar instructed to avoid injuring during ductus arteriosus ligation?

Where does the ascending aorta originate from?

Which artery lies on the right side of the pulmonary trunk?

What is the course of the arch of aorta?

Which structure continues as the arch of aorta?

Where does the arch of aorta terminate?

Which vessel has branches known as right and left coronary arteries?

What is the relation of the ascending aorta to the pulmonary trunk?

Where does the innominate (brachiocephalic) artery terminate?

Which artery is a branch of the innominate artery on the right side?

Where does the common carotid artery terminate?

What is contained in the carotid sheath in the neck?

Where does the external carotid artery terminate?

What is the origin of the internal carotid artery?

Which artery is not a branch of the arch of aorta?

Where does the common carotid artery pass through in the neck?

Where does the arch of azygos vein terminate?

Which vessel passes through the diaphragm?

What is the ligamentum arteriosum a fibrous band connecting?

Where does the inferior vena cava terminate?

What structure forms an arch in the thorax and ascends anteriorly?

During embryonic life, what is the ductus arteriosus called?

What is the connection between the superior vena cava and inferior vena cava?

Where does the ligamentum arteriosum connect?

What structure represents the obliterated ductus arteriosus that was functioning in the embryo?

Which nerve is a branch of the left vagus nerve and curves below the arch of aorta to lie behind the ligamentum arteriosum?

Which artery is the largest branch of the innominate artery?

Opposite which thoracic vertebra does the arch of aorta continue as the descending aorta?

Where does the pulmonary trunk originate from?

Which structure divides into right common carotid and right subclavian arteries?

What are the branches of the descending aorta?

Where does the descending aorta continue as the abdominal aorta?

What structure is formed by the union of the right and left innominate veins?

Which artery originates from the arch of the aorta on the left side?

What divides the right subclavian artery into three parts as it reaches the neck?

Where does the subclavian artery terminate on the right side?

Which vessel supplies blood to the brain after entering the skull?

What is the termination point of the left innominate vein?

Where does the right innominate vein terminate?

Which structure originates as a branch of the innominate artery on the right side?

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