Achalasia: Esophageal Sphincter and Dilation
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Questions and Answers

What is achalasia characterized by?

  • Effective peristalsis of the distal esophagus.
  • Increased relaxation of the esophageal sphincter.
  • Proper esophageal sphincter relaxation.
  • Absent or ineffective peristalsis of the distal esophagus. (correct)

    • How does the esophageal sphincter typically respond in achalasia?

  • It contracts normally.
  • It relaxes in response to swallowing.
  • It fails to relax in response to swallowing. (correct)
  • It remains open all the time.

    • Which of the following is observed in the progression of achalasia?

  • Widening of the airway.
  • Reduction of stomach size.
  • Narrowing of the esophagus. (correct)
  • Widening of the small intestine.

    • What does the gradual increase in dilation affect in achalasia?

    <p>Upper chest. (B)</p> Signup and view all the answers

    What does the failure of the sphincter to relax lead to in achalasia?

    <p>Gradual dilation of the esophagus. (B)</p> Signup and view all the answers

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