Aorta and Pulmonary Artery Anatomy

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Questions and Answers

What is the effect of coarctation of the aorta on the circulation to the lower parts of the body?

The circulation is not affected at all
The circulation is maintained via the ductus arteriosus (correct)
The circulation is maintained via collaterals between the subclavian arteries and the descending aorta
The circulation is completely blocked

What is the result of rupture of an aortic aneurysm?

Mild haemorrhage that can be treated medically
Compression of the contents of the superior mediastinum
Blockage of the pulmonary trunk
Severe haemorrhage that is often fatal if surgical intervention is not prompt (correct)

What is the common cause of sudden death mentioned in the text?

Coarctation of the aorta
Embolism of the pulmonary trunk (correct)
Aortic aneurysm
Compression of the contents of the superior mediastinum

What is the result of aortic coarctation distal to the attachment of the ligamentum arteriosum?

<p>The circulation to the lower limbs is maintained via collaterals between the subclavian arteries and the descending aorta (D)</p> Signup and view all the answers