Esophagus Anatomy and Physiology Quiz
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Questions and Answers

Which structure is anterior to the cervical part of the oesophagus?

  • Common carotid artery
  • Longus colli
  • Recurrent laryngeal nerve
  • Trachea (correct)

What is the venous drainage for the upper part of the oesophagus?

  • Azygos vein
  • Left gastric vein
  • Brachiocephalic veins (correct)
  • Internal jugular vein

Which artery supplies the cervical part of the oesophagus?

  • Thoracic aorta
  • Common carotid artery
  • Inferior Thyroid Artery (correct)
  • Left gastric artery

What is the narrowest part of the alimentary canal?

<p>Oesophagus (A)</p> Signup and view all the answers

Where do lymphatics from the proximal third of the esophagus drain into?

<p>Deep cervical lymph nodes (C)</p> Signup and view all the answers

At what vertebral level does the oesophagus pierce the diaphragm?

<p>T10 (B)</p> Signup and view all the answers

What is behind the cervical part of the oesophagus?

<p>Prevertebral layer of cervical fascia (C)</p> Signup and view all the answers

What is the structure of the oesophagus from innermost to outermost layers?

<p>Mucous Membrane, Sub-mucosa, Muscle Coat, Outermost Fibrous Layer (A)</p> Signup and view all the answers

Which vessel is located to the right of the thoracic part of the oesophagus?

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

Where is the upper oesophageal sphincter located?

<p>Between pharynx and oesophagus (B)</p> Signup and view all the answers

What is the usual location of the lower oesophageal sphincter?

<p>At T11 level (B)</p> Signup and view all the answers

When does the oesophagus become canalised to form a tube?

<p><strong>When lateral septa fuse to divide it into trachea and oesophagus</strong> (B)</p> Signup and view all the answers

What is the nerve supply of the upper half of the esophagus?

<p>Recurrent Laryngeal Nerve (B)</p> Signup and view all the answers

Which lymph nodes receive drainage from the middle third of the esophagus?

<p>Superior and posterior mediastinal nodes (D)</p> Signup and view all the answers

What causes nearly all patients to die if they experience an unrecognized oesophageal perforation?

<p>Lack of surgery (D)</p> Signup and view all the answers

What is the main symptom of cancer of the oesophagus?

<p>Dysphagia (difficulty in swallowing) (D)</p> Signup and view all the answers

In approximately 90% of cases, how does the most common Tracheo-Esophageal Fistula (TEF) present?

<p>Superior part ends in a blind pouch and inferior part communicates with trachea (D)</p> Signup and view all the answers

Which condition can result from abnormalities in partitioning of the oesophagus and trachea by the tracheo-oesophageal septum?

<p>Tracheoesophageal fistula (TEF) (D)</p> Signup and view all the answers

What provides protection to the esophagus from injuries in the neck region?

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

What is the diagnostic tool commonly used for observing oesophageal cancers?

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

Which nerve supplies the lower half of the esophagus mainly through the Oesophageal plexus?

<p>Vagus Nerve (D)</p> Signup and view all the answers

Which condition is characterized by extremely dilated submucosal veins in the lower third of the oesophagus?

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

What symptom is often associated with heartburn?

<p>Regurgitation of gastric acid (C)</p> Signup and view all the answers

What can compression of the recurrent laryngeal nerves by an oesophageal tumour produce?

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

Which artery supplies the cardia of the stomach and distal esophagus?

<p>Left Gastric Artery (D)</p> Signup and view all the answers

What is the origin of the Right Gastric Artery?

<p>Common Hepatic Artery (C)</p> Signup and view all the answers

Which artery helps supply the greater curvature of the stomach in conjunction with the Left Gastroepiploic Artery?

<p>Gastroduodenal Artery (C)</p> Signup and view all the answers

Which artery supplies a portion of the lesser curvature of the stomach?

<p>Right Gastric Artery (C)</p> Signup and view all the answers

How many branches does the Common Hepatic or Proper Hepatic Artery have?

<p>2 (D)</p> Signup and view all the answers

Which branch of the Splenic Artery helps supply the greater curvature of the stomach?

<p>Left Gastroepiploic Artery (A)</p> Signup and view all the answers

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