Thoracic Anatomy Quiz

Which artery primarily supplies oxygenated blood to the lung tissue (bronchial tree, visceral pleura)?

• Pulmonary artery

• Bronchial artery

• Internal thoracic artery

• Intercostal artery

The usual origin of the left bronchial arteries is:

• Superior intercostal artery

• Thoracic aorta

• Subclavian artery

• Vertebral artery

The right bronchial artery most often arises from:

• A common trunk with the 3rd posterior intercostal artery

• Ascending aorta

• Inferior thyroid artery

• Directly from pulmonary artery

Which vessel drains most of the venous blood from the right lung?

• Right pulmonary vein

• Right bronchial vein → azygos vein

• Superior vena cava

• Hemiazygos vein

The azygos vein arches over which structure before entering the superior vena cava?

• Right pulmonary artery

• Right main bronchus

• Trachea

• Right superior pulmonary vein

Which of the following veins typically drains into the left brachiocephalic vein?

• Hemiazygos vein

• Accessory hemiazygos vein

• Right bronchial vein

• Great cardiac vein

Which of the following is NOT a content of the superior mediastinum?

• Trachea

• Aortic arch

• Main bronchi

• Brachiocephalic veins

Which of these is a boundary of the anterior mediastinum?

• Sternum anteriorly and pericardium posteriorly

• Pericardium anteriorly and sternum posteriorly

• Vertebral column anteriorly and heart posteriorly

• Aortic arch anteriorly and trachea posteriorly

Which of the following structures is only in the posterior mediastinum?

• Thymus

• Oesophagus

• Pulmonary trunk

• Ascending aorta

In the middle mediastinum, which structure lies most anteriorly?

• Ascending aorta

• Main bronchi

• Pericardium

• Pulmonary trunk