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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?

Goblet cells Signup and view all the answers

What is the function of intrinsic factor in the stomach?

To absorb vitamin B12 Signup and view all the answers

What type of epithelium lines the stomach?

Simple columnar epithelium Signup and view all the answers

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

To lift the uvula and close off the esophagus Signup and view all the answers

What is the role of hydrochloric acid in the stomach?

To activate the enzyme pepsin Signup and view all the answers

What is the function of lingual lipase in the stomach?

To break down triglycerides into fatty acids Signup and view all the answers

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

To produce mucus for protection Signup and view all the answers

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

Stomach Signup and view all the answers

What is the role of parietal cells in the stomach?

To produce hydrochloric acid and intrinsic factor Signup and view all the answers