Digestive System Process
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Questions and Answers

Where does the voluntary phase of deglutition begin?

  • When the gastric lipase is secreted
  • When the uvula is lifted
  • When the bolus enters the esophagus
  • When the bolus enters the oral pharynx (correct)

What is the primary function of pepsin in the stomach?

  • To absorb vitamin B12
  • To secrete hydrochloric acid
  • To digest proteins (correct)
  • To break down triglycerides

What is the primary function of gastric lipase in the stomach?

  • To break down proteins
  • To digest triglycerides (correct)
  • To secrete hydrochloric acid
  • To absorb vitamin B12

What type of cells produce mucus in the stomach?

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

What is the function of intrinsic factor in the stomach?

<p>To absorb vitamin B12 (A)</p> Signup and view all the answers

What type of epithelium lines the stomach?

<p>Simple columnar epithelium (D)</p> Signup and view all the answers

What is the primary function of the pharyngeal phase of deglutination?

<p>To lift the uvula and close off the esophagus (C)</p> Signup and view all the answers

What is the role of hydrochloric acid in the stomach?

<p>To activate the enzyme pepsin (C)</p> Signup and view all the answers

What is the function of lingual lipase in the stomach?

<p>To break down triglycerides into fatty acids (B)</p> Signup and view all the answers

What is the main function of goblet cells in the stomach?

<p>To produce mucus for protection (C)</p> Signup and view all the answers

What is the primary site of absorption for short-chain fatty acids?

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

What is the role of parietal cells in the stomach?

<p>To produce hydrochloric acid and intrinsic factor (A)</p> Signup and view all the answers
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