What type of epithelium is part of the mucosal layer of the small intestinal wall?

Which GI hormone is released due to the presence of fat in the duodenal lumen and in response promotes increased secretion of pancreatic digestive enzymes from acinar cells?

Which division of the nervous system is responsible for stimulating contraction of the rectum and opening of the internal anal sphincter as part of the defecation reflex?

Which one of the following structures is found in the stomach but nowhere else in the GI tract?

Name the sphincter that remains open during acid reflux events, thus allowing acidic stomach contents into the esophagus.

Which type of carbohydrate molecule is absorbed across the small intestine?

Digestion and absorption of which one of the following macromolecules would be affected the most if the liver was severely damaged?

Pepsinogen, an inactive digestive enzyme, is secreted by the ________.

Severe diarrhea can have consequences on blood pH, sometimes causing metabolic

Which one of the following cell types found in the small intestine secretes GI hormones such as CCK or secretin?