Gastrointestinal Disorders and Functions Quiz
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Questions and Answers

What is the most feared consequence of esophageal varices?

  • Bleeding (correct)
  • Ulcerations
  • Malignant change
  • Hiatal hernia
  • Strictures

Which hormone is increased in achalasia, leading to incomplete relaxation of the lower esophageal sphincter?

  • Motilin
  • Vasoactive intestinal peptide (VIP)
  • Nitric oxide (N.O.)
  • Prostaglandin F2α
  • Gastrin (correct)

What is the defining characteristic of Barrett's esophagus?

  • Reduced reparative ability of gastric mucosa
  • Increased levels of histamine
  • Slowed reflux clearing
  • Delayed gastric emptying
  • Presence of goblet cells in the esophageal mucosa (correct)

Which condition is characterized by progressive dysphagia starting in the teenage years?

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

Which substance is decreased in achalasia, contributing to incomplete relaxation of the lower esophageal sphincter?

<p>Nitric oxide (N.O.) (B)</p> Signup and view all the answers

What is the primary cause of laceration in the lower esophagus according to the text?

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

Which factor is the SINGLE most common risk factor for esophageal adenocarcinoma?

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

Which condition can be recognized as one or several tongues or patches of red, velvety mucosa extending upward from the gastroesophageal junction?

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

What is the commonest oral cavity neoplasm associated with squamous carcinoma?

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

Which of the following provides protection from acidity in the stomach?

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

What denotes loss of superficial epithelium, limited to the lamina propria in gastritis?

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

Which factor causes chronic solitary ulcers in adults, with 80% being caused by it?

<p>$H. pylori$ infection (A)</p> Signup and view all the answers

Which type of ulcers accounts for the most frequent complications in $PEPTIC$ ulcers?

<p>$Stress$ ulcers (D)</p> Signup and view all the answers

Which condition accounts for two-thirds of deaths related to ulcers?

<p>$Peptic$ ulcers (C)</p> Signup and view all the answers

What is the most frequent complication in $PEPTIC$ ulcers?

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

What denotes loss of the superficial epithelium, limited to the lamina propria in gastritis?

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

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