Digestive System Functions Quiz

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Questions and Answers

Which organ produces digestive enzymes that convert proteins into polypeptides?

  • Pancreas (correct)
  • Small intestine
  • Liver
  • Stomach

What is the function of insulin produced by the Islets of Langerhans?

  • Break down triglycerides into fatty acids
  • Convert starch into maltose
  • Digest phospholipids into fatty acids
  • Regulate blood glucose levels (correct)

Which enzyme is responsible for breaking down lactose into glucose and galactose?

  • Amylase
  • Lipase
  • Maltase
  • Lactase (correct)

Where in the digestive system does the breakdown of cellulose occur?

<p>Large intestine (B)</p> Signup and view all the answers

Which of the following vitamins are produced by bacteria in the small and large intestine?

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

What is the primary function of pancreatic juice when secreted into the bloodstream?

<p>Regulate blood glucose levels (A)</p> Signup and view all the answers

Which hormone is produced in response to food, targets the pancreas and gallbladder, and suppresses hunger?

<p>Cholecystokinin (CCK) (A)</p> Signup and view all the answers

What is the main function of secretin?

<p>Raises pH to 8 by stimulating alkali production (A)</p> Signup and view all the answers

Which hormone is both a hormone and neuropeptide, produced in the small intestine in response to food?

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

What is the function of peristalsis in the gastrointestinal tract?

<p>To push food along the digestive tract with waves of contractions (A)</p> Signup and view all the answers

Which hormone targets the brain in addition to the pancreas, gallbladder, and controls the release of bile?

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

What is the role of Gastrin hormone in the digestive system?

<p>Stimulates the secretion of gastric juice in the stomach (B)</p> Signup and view all the answers

Which enzyme is responsible for digesting proteins in the small intestine?

<p>Peptidase (C)</p> Signup and view all the answers

What is the function of Somatostatin hormone in the digestive system?

<p>Inhibits acid secretion from parietal cells (B)</p> Signup and view all the answers

Which enzyme is responsible for breaking down fats into fatty acids and glycerol?

<p>Lipase (B)</p> Signup and view all the answers

What is the main function of bile in digestion?

<p>Emulsifies fats (B)</p> Signup and view all the answers

How does Amylase contribute to digestion?

<p>Digests polysaccharides into simple sugars (C)</p> Signup and view all the answers

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