Esophagus Blood Supply and Venous Drainage Quiz
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Questions and Answers

Which artery supplies the upper third of the esophagus?

  • Inferior thyroid artery (correct)
  • Superior mesenteric artery
  • Thoracic aorta
  • Left gastric artery

How does the middle third of the esophagus drain venously?

  • Azygos veins (correct)
  • Inferior thyroid veins
  • Left gastric vein
  • Superior vena cava

Which vessel does the lower third of the esophagus drain into?

  • Azygos vein
  • Inferior vena cava
  • Portal vein
  • Left gastric vein (correct)

What can occur as a result of venous drainage issues in the lower third of the esophagus?

<p>Esophageal varices (B)</p> Signup and view all the answers

Through which artery is the upper third of the esophagus primarily supplied?

<p>Inferior thyroid artery (B)</p> Signup and view all the answers

Where does the middle third of the esophagus drain into venously?

<p>Azygos vein (B)</p> Signup and view all the answers

In the venous drainage of the lower third of the esophagus, which vein does it primarily drain into?

<p>Left gastric vein (A)</p> Signup and view all the answers

Which venous structure receives drainage from the upper third of the esophagus?

<p>Inferior thyroid veins (B)</p> Signup and view all the answers

What is the clinical importance of the anatomic constrictions of the esophagus?

<p>They are where swallowing of caustic liquids leads to the worst burning and strictures. (C)</p> Signup and view all the answers

Where does the upper third of the esophagus drain into venously?

<p>Inferior thyroid veins (C)</p> Signup and view all the answers

Which artery primarily supplies the middle third of the esophagus?

<p>Thoracic aorta (C)</p> Signup and view all the answers

What can occur as a result of issues in the venous drainage of the lower third of the esophagus?

<p>Esophageal varices (D)</p> Signup and view all the answers

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