Basics
What are the four major processes of digestion?
Motility, secretion, digestion, absorption
What muscular tube connects the mouth to the stomach?
Esophagus
Which stomach cells release mucus?
Mucous Cells
What cells release pancreatic enzymes
Acinar Cells
What salivary enzyme begins carbohydrate digestion?
Amylase
What type of digestion breaks polymers into monomers?
Chemical Digestion
Name the three regions of the small intestine.
Duodenum, Jejunum, Ileum
What do chief cells secrete?
Pepsinogen
What hormone triggers bicarbonate release from duct cells?
Secretin
What disaccharidase breaks down sucrose?
Sucrase
What two systems must interact for nutrient energy production?
Digestive and Circulatory
Where are rugae located
Stomach
Which hormone do G cells release?
Gastrin
Into what part of the small intestine are bile and enzymes released?
Duodenum
What enzyme breaks triglycerides into fatty acids?
Lipase
What term describes movement of food through the GI tract?
Motility
What GI organ begins protein digestion?
Stomach
What hormone released by D cells inhibits digestion?
Somatostatin
What organ produces bile salts?
Liver
If you thought it was another enzyme question you are wrong, what organ ultimately receives absorbed nutrients from the intestine?
Liver
Which part of the digestive tract is responsible for most absorption?
Small Intestine
What structure houses villi and microvilli?
Small intestine
What do parietal cells produce?
Hydrochloric Acid and Intrinsic Factor
What fat-digesting enzyme does the pancreas release?
Pancreatic Lipase
What stomach enzyme digests proteins into peptide fragments?
Pepsin