Thoracic aorta

This tutorial covers the thoracic aorta, a major section of the aorta, and its branches. The aorta is the largest blood vessel, and the thoracic aorta is a key part of it, running from the fourth to the twelfth thoracic vertebra. The video explains the anatomy and pathway of the aorta, including its transition from the ascending aorta to the thoracic aorta and then to the abdominal aorta. It also details the branches of the thoracic aorta, such as the bronchial, pericardial, and esophageal arteries, and their respective functions.

What is the largest blood vessel in the human body?

• Aorta

• Superior vena cava

• Inferior vena cava

• Pulmonary artery

At which vertebra does the thoracic aorta begin?

• T12

• T1

• T8

• T4

Through which structure does the thoracic aorta enter the abdomen?

• Foramen ovale

• Aortic hiatus

• Esophageal hiatus

• Inferior vena cava

Which artery supplies the lungs?

• Superior phrenic artery

• Bronchial artery

• Esophageal artery

• Subcostal artery

From where do the first and second posterior intercostal arteries arise?

• Thoracic aorta

• Supreme intercostal artery

• Subclavian artery

• Abdominal aorta