Podcast
Questions and Answers
Where does the inferior vena cava terminate?
Where does the inferior vena cava terminate?
- Opposite the right third costal cartilage
- Opposite the first lumbar vertebra
- Opposite the right second costal cartilage
- Opposite the right sixth costal cartilage (correct)
What is the origin of the azygos vein?
What is the origin of the azygos vein?
- Union of the right and left common iliac veins
- Inferior vena cava in the abdomen opposite the first lumbar vertebra (correct)
- Union of the right and left subclavian veins
- Arch of azygos vein
What connects the superior vena cava and inferior vena cava?
What connects the superior vena cava and inferior vena cava?
- Subclavian artery
- Ligamentum arteriosum (correct)
- Pulmonary trunk
- Ductus arteriosus
Which blood vessel pierces the diaphragm?
Which blood vessel pierces the diaphragm?
Where does the arch of azygos vein open?
Where does the arch of azygos vein open?
During embryonic life, what is the patent connection called?
During embryonic life, what is the patent connection called?
Where does the subclavian artery terminate?
Where does the subclavian artery terminate?
What divides the subclavian artery into three parts in the neck?
What divides the subclavian artery into three parts in the neck?
Where does the right innominate vein terminate?
Where does the right innominate vein terminate?
What is the origin of the superior vena cava?
What is the origin of the superior vena cava?
What is the course of the left innominate vein?
What is the course of the left innominate vein?
What is the anatomical course of the subclavian artery?
What is the anatomical course of the subclavian artery?
Which of the following describes the termination point of the inferior vena cava?
Which of the following describes the termination point of the inferior vena cava?
What is a distinguishing feature between the right and left carotid arteries?
What is a distinguishing feature between the right and left carotid arteries?
Where does the superior vena cava originate?
Where does the superior vena cava originate?
Which vein is closely associated with the left coronary artery?
Which vein is closely associated with the left coronary artery?
At what level does the ascending aorta terminate?
At what level does the ascending aorta terminate?
Study Notes
Venous System
- The inferior vena cava terminates in the right atrium.
- The azygos vein originates from the lumbar region of the inferior vena cava.
- The azygos vein connects the superior vena cava and inferior vena cava.
- The azygos vein pierces the diaphragm.
- The arch of the azygos vein opens into the superior vena cava.
Embryonic Development
- During embryonic life, the patent connection between the azygos vein and the superior vena cava is called the duct of Cuvier.
Arterial System
- The subclavian artery terminates in the axillary artery.
- The scalene muscle divides the subclavian artery into three parts in the neck.
Venous System (continued)
- The right innominate vein terminates in the superior vena cava.
- The superior vena cava originates from the union of the right and left brachiocephalic veins.
- The left innominate vein courses horizontally to the right to join the right innominate vein to form the superior vena cava.
Arterial System (continued)
- The subclavian artery courses laterally to the axillary artery, then divides into smaller branches.
- The ascending aorta terminates at the level of the sternal angle (T4-T5).
Comparative Anatomy
- A distinguishing feature between the right and left carotid arteries is that the right common carotid artery arises from the brachiocephalic artery, while the left common carotid artery arises directly from the aortic arch.
- The great cardiac vein is closely associated with the left coronary artery.
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Description
Test your knowledge on the origin, course, and termination of the subclavian artery. This quiz covers key anatomical landmarks and structures associated with the subclavian artery.
