30 Questions
Which system does the pulmonary circulation belong to?
Pulmonary
Where does the pulmonary trunk and arteries begin?
Right ventricle
What is the function of the pulmonary arteries?
Deliver deoxygenated blood to the lungs
Where does the right pulmonary artery lie in the anterior view?
Posterior to the ascending aorta
What is the purpose of collateral arterial circulation of the trunk wall?
To bypass occlusions of the descending thoracic aorta
What is the purpose of the caval system in venous drainage of the thorax?
To drain deoxygenated blood from the thorax to the heart
What is the name of the superficial veins of the anterior thoraco-abdominal wall?
Collateral routes
What is the pattern of thoracic lymphatic drainage?
From deep thoracic locations to the venous return
What is the purpose of the mediastinal groups of lymph nodes?
To filter lymph and remove pathogens
What is the function of the pulmonary trunk and arteries?
To deliver deoxygenated blood to the lungs
Where does the ascending aorta begin and end?
At the aortic valve and ends at the thoraco-abdominal diaphragm
Which section of the mediastinum is the ascending aorta located?
The middle mediastinum
What are the primary branches of the aorta?
Brachiocephalic artery and left common carotid artery
What is the arterial supply for the anterior thoracic wall?
Internal thoracic artery
Which two arteries are the terminal branches of the internal thoracic artery?
Musculophrenic artery and superior epigastric artery
What is the collateral circulation between the superior and inferior epigastric arteries called?
Anastomosis
Where is the superior vena cava located in the mediastinum?
The superior mediastinum
What does the azygous vein drain into?
The superior vena cava
Which veins join the brachiocephalic vein on the left side?
Posterior intercostal veins
Which veins join the brachiocephalic vein on the right side?
Descending thoracic aorta
Which veins are tributaries of the great saphenous vein?
Superficial epigastric and superficial circumflex iliac veins
What prevents backflow or retrograde flow in lymphatic vessels?
Lymphatic valves
Which nodes are part of the lymphatic pathways of the thoracic wall?
All of the above
Do lymphatic vessels have valves?
Yes, they have valves
Which veins provide collateral routes of venous drainage through the trunk?
Veins running in the superficial fascia
Which veins join the azygous and posterior intercostal veins along the vertebral column?
Anterior external vertebral venous plexus
Which nodes are part of the deep lymphatics in the thorax?
Bronchopulmonary (hilar) nodes and inferior tracheobronchial (subcarinal) nodes
Which nodes are part of the lymphatic drainage pathways of the thoracic walls?
All of the above
Which veins drain into the axillary vein?
Thoracoepigastric vein
Which veins bypass blockage of the Superior Vena Cava?
Paraumbilicals to portal vein
Test your knowledge of the thoracic vasculature with this quiz by Mr. Kristopher Vaudrey. Learn about the arterial outflow from the heart, thoracic branches of the aorta, collateral arterial circulation, and venous drainage of the thorax.
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