16 Questions
What is the location where the final levels of digestion occur?
Brush border
What type of cells secrete hormones such as secretin, cholecystokinin, and gastric inhibitory peptide?
Endocrine cells
What is the function of the brush border enzymes aminopeptidase and dipeptidase?
Break down polypeptides into individual amino acids
What is the function of pancreatic juice in lipid digestion?
Break down lipids into fatty acids and glycerol
What is the function of the enzyme ribonuclease?
Digest RNA
What is the function of the mucus secreted by goblet cells?
Lubricate and maintain the integrity of the brush border
What is the location where most of the digestion of proteins occurs?
Pancreas
What is the function of the enzyme lingual lipase?
Digest lipids in the stomach
What is the primary function of the microvilli in the small intestine?
To increase the surface area for digestion and absorption
What is the role of the brush border in the small intestine?
To trap a thin layer of fluid for final digestion
Which type of cells are responsible for secreting lysozymes in the small intestine?
Paneth cells
What is the primary function of the enzyme amylase in digestion?
To break down starch molecules into medium-sized molecules
What is the role of the pancreas in lipid digestion?
To secrete lipases for digestion
What is the primary function of the enzyme carboxypeptidase in digestion?
To break down polypeptides into individual amino acids
What is the role of the enzyme deoxyribonuclease in digestion?
To break down DNA into nucleotides
What is the primary function of the absorptive cells in the small intestine?
To absorb nutrients into the bloodstream
Explore the role of the small intestine in breaking down food into absorbable monomers. Learn about the structure and function of microvilli, absorptive cells, and goblet cells in facilitating digestion and absorption.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
