Anatomy and Physiology of the Stomach Wall
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Questions and Answers

What is the function of parietal cells in the stomach?

  • Secrete pepsinogen
  • Secrete histamine and increase gastric acid
  • Secrete gastric acid and intrinsic factor (correct)
  • Secrete somatostatin to suppress the release of gastrin
  • What is the role of ECL-like cells in the stomach?

  • Secrete gastric acid and intrinsic factor
  • Secrete somatostatin to suppress the release of gastrin
  • Secrete histamine and increase gastric acid (correct)
  • Secrete pepsinogen activated by parietal cells to digest proteins
  • What is the primary function of chief cells in the stomach?

  • Secrete pepsinogen activated by parietal cells to digest proteins (correct)
  • Secrete histamine and increase gastric acid
  • Secrete gastric acid and intrinsic factor
  • Secrete somatostatin to suppress the release of gastrin
  • What is the effect of H. pylori infection on the stomach?

    <p>Impairs the secretion of bicarbonate and promotes acidity</p> Signup and view all the answers

    What is the main cause of peptic ulcer disease (PUD)?

    <p>Imbalance between gastric mucosal protective and destructive factors</p> Signup and view all the answers

    Parietal cells produce ______ acid

    <p>gastric</p> Signup and view all the answers

    The stomach is a relatively ______ environment with a pH of less than 4.0

    <p>acidic</p> Signup and view all the answers

    Chief cells secrete ______ activated by parietal cells to digest proteins

    <p>pepsinogen</p> Signup and view all the answers

    The duodenal mucosa resists damage from the effects of gastric acid and pepsin, with the help of protective factors such as the mucous layer, ______ secretion, and prostaglandins

    <p>bicarbonate</p> Signup and view all the answers

    The peptic ulcer disease (PUD), is usually a defect in the mucosa that extends to the ______ mucosa

    <p>muscularis</p> Signup and view all the answers

    Parietal cells produce ______ acid

    <p>gastric</p> Signup and view all the answers

    Submucosa, submucosal layer is the ______ layer

    <p>vascular</p> Signup and view all the answers

    The wall of the stomach consists of:  Serosa, is visceral ______

    <p>peritoneum</p> Signup and view all the answers

    The stomach is a relatively ______ environment with a pH of less than 4.0

    <p>acidic</p> Signup and view all the answers

    The peptic ulcer disease (PUD), is usually a defect in the mucosa that extends to the ______ mucosa

    <p>muscularis</p> Signup and view all the answers

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