17 Questions
Which organ produces digestive enzymes that convert proteins into polypeptides?
Pancreas
What is the function of insulin produced by the Islets of Langerhans?
Regulate blood glucose levels
Which enzyme is responsible for breaking down lactose into glucose and galactose?
Lactase
Where in the digestive system does the breakdown of cellulose occur?
Large intestine
Which of the following vitamins are produced by bacteria in the small and large intestine?
Vitamin K
What is the primary function of pancreatic juice when secreted into the bloodstream?
Regulate blood glucose levels
Which hormone is produced in response to food, targets the pancreas and gallbladder, and suppresses hunger?
Cholecystokinin (CCK)
What is the main function of secretin?
Raises pH to 8 by stimulating alkali production
Which hormone is both a hormone and neuropeptide, produced in the small intestine in response to food?
Cholecystokinin (CCK)
What is the function of peristalsis in the gastrointestinal tract?
To push food along the digestive tract with waves of contractions
Which hormone targets the brain in addition to the pancreas, gallbladder, and controls the release of bile?
Cholecystokinin (CCK)
What is the role of Gastrin hormone in the digestive system?
Stimulates the secretion of gastric juice in the stomach
Which enzyme is responsible for digesting proteins in the small intestine?
Peptidase
What is the function of Somatostatin hormone in the digestive system?
Inhibits acid secretion from parietal cells
Which enzyme is responsible for breaking down fats into fatty acids and glycerol?
Lipase
What is the main function of bile in digestion?
Emulsifies fats
How does Amylase contribute to digestion?
Digests polysaccharides into simple sugars
Test your knowledge on the functions of the digestive system including the roles of Escherichia coli, Lactobacillus, and the pancreas. Learn about enzyme secretion, hormone production, digestion of cellulose, and more.
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