Pathophysiology II: Gastrointestinal Function

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Questions and Answers

Which organ is responsible for secreting saliva in the oral cavity?

  • Liver
  • Parotid gland (correct)
  • Pancreas
  • Gallbladder

What is the potential etiology of tracheoesophageal fistula (TEF) and esophageal atresia (EA)?

  • Maternal use of vasoconstrictive drugs (correct)
  • Environmental pollution
  • Bacterial infection
  • Genetic mutation

Which organ is responsible for secreting digestive juices to aid in the breakdown of carbohydrates?

  • Salivary glands (correct)
  • Pancreas
  • Gallbladder
  • Liver

What is the primary function of the esophagus?

<p>Guiding food from the mouth to the stomach (B)</p> Signup and view all the answers

What is the main role of mastication in the oral cavity?

<p>Initial breakdown of nutrients (D)</p> Signup and view all the answers

Which type of epithelium lines the esophagus?

<p>Stratified squamous epithelium (D)</p> Signup and view all the answers

Where is the lower esophageal sphincter (LES) located?

<p>At the bottom of the esophagus (D)</p> Signup and view all the answers

What is the function of the pyloric sphincter?

<p>Controls gastric emptying into the duodenum (D)</p> Signup and view all the answers

What is the main function of chief cells in the stomach lining?

<p>Produce pepsinogen, the inactive form of pepsin (B)</p> Signup and view all the answers

Where is the Meissner or submucosal plexus located?

<p>Between the submucosa and circular muscle layer (A)</p> Signup and view all the answers

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