Ch. 23 - Enzymes & Hormones of the Digestive System

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Lecture Exam 4

Last updated 2:33 AM on 7/27/26
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15 Terms

1
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Identify the location, secretory cell, and function of salivary amylase

  • LOCATION: mouth

  • SECRETORY CELL: by serous cells in the salivary glands

  • FUNCTION: begin carbohydrate digestion

<ul><li><p>LOCATION: mouth </p></li><li><p>SECRETORY CELL: by serous cells in the salivary glands </p></li><li><p>FUNCTION: begin carbohydrate digestion</p></li></ul><p></p>
2
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Identify the location, secretory gland, and function of lingual lipase

  • LOCATION: mouth

  • SECRETORY gland: lingual glands

  • FUNCTION: begin chemical fat digestion

<ul><li><p>LOCATION: mouth</p></li><li><p>SECRETORY gland: lingual glands</p></li><li><p>FUNCTION: begin chemical fat digestion</p></li></ul><p></p>
3
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Describe the location, secretory cell, and function of pepsin

  • LOCATION: stomach

  • SECRETORY CELL: chief cells (as inactive pepsinogen)

  • FUNCTION: to digest proteins once activated by HCl

<ul><li><p>LOCATION: stomach</p></li><li><p>SECRETORY CELL: chief cells (as inactive pepsinogen)</p></li><li><p>FUNCTION: to digest proteins once activated by HCl</p></li></ul><p></p>
4
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Identify the location, source, and function of trypsin

  • LOCATION: small intestine

  • SOURCE: pancreas (as inactive trypsinogen)

  • FUNCTION: digest proteins

<ul><li><p>LOCATION: small intestine</p></li><li><p>SOURCE: pancreas (as inactive trypsinogen)</p></li><li><p>FUNCTION: digest proteins</p></li></ul><p></p>
5
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Name the location, source, and function of chymotrypsin

  • LOCATION: small intestine

  • SOURCE: pancreas (as inactive chymotrypsinogen)

  • FUNCTION: digest proteins

<ul><li><p>LOCATION: small intestine</p></li><li><p>SOURCE: pancreas (as inactive chymotrypsinogen)</p></li><li><p>FUNCTION: digest proteins</p></li></ul><p></p>
6
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Identify the location, source, and function of carboxypeptidase

  • LOCATION: small intestine

  • SOURCE: pancreas (as inactive procarboxypeptidase)

  • FUNCTION: digest proteins

<ul><li><p>LOCATION: small intestine</p></li><li><p>SOURCE: pancreas (as inactive procarboxypeptidase)</p></li><li><p>FUNCTION: digest proteins</p></li></ul><p></p>
7
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State the location, source, and function of pancreatic ribonuclease

  • LOCATION: small intestine

  • SOURCE: pancreas

  • FUNCTION: chemically digest RNA

8
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State the location, source, and function of pancreatic deoxyribonuclease

  • LOCATION: small intestine

  • SOURCE: pancreas

  • FUNCTION: chemically digest DNA

9
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Describe the location, source, and function of pancreatic amylase

  • LOCATION: small intestine

  • SOURCE: pancreas

  • FUNCTION: digest carbohydrates

10
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Describe the location, source, and function of pancreatic lipase

  • LOCATION: small intestine

  • SOURCE: pancreas

  • FUNCTION: digest fats

11
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Identify the location and function of brush border enzymes

  • LOCATION: microvilli of the small intestine

  • FUNCTION: perform final chemical digestion of carbohydrates, proteins, and nucleic acids

12
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State the location, secretory cell, and function of gastrin

  • LOCATION: stomach

  • SECRETORY CELL: enteroendocrine G cells in the stomach

  • FUNCTION: stimulate gastric juice secretion and motility

<ul><li><p>LOCATION: stomach</p></li><li><p>SECRETORY CELL: enteroendocrine G cells in the stomach </p></li><li><p>FUNCTION: stimulate gastric juice secretion and motility</p></li></ul><p></p>
13
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Describe the location, secretory cell, and function of cholecystokinin (CCK)

  • LOCATION: duodenum, gallbladder, pancreas

  • SECRETORY CELL: duodenal enteroendocrine cells

  • FUNCTION: cause gallbladder contraction and the release of enzyme-rich pancreatic juice

<ul><li><p>LOCATION: duodenum, gallbladder, pancreas</p></li><li><p>SECRETORY CELL: duodenal enteroendocrine cells</p></li><li><p>FUNCTION: cause gallbladder contraction and the release of enzyme-rich pancreatic juice</p></li></ul><p></p>
14
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Describe the location, source, and function of secretin

  • LOCATION: liver

  • SOURCE: duodenal enteroendocrine cells

  • FUNCTION: stimulate liver bile production and the release of bicarbonate-rich pancreatic juice

<ul><li><p>LOCATION: liver</p></li><li><p>SOURCE: duodenal enteroendocrine cells </p></li><li><p>FUNCTION: stimulate liver bile production and the release of bicarbonate-rich pancreatic juice</p></li></ul><p></p>
15
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Define the function and primary components of enterogastrones

  • COMPONENTS: Hormonal group including CCK and secretin

  • FUNCTION: inhibits gastric secretion and duodenal filling