Exam 16: The Digestive System

What cells of the stomach secrete pepsinogen?​

The primary function of the large intestine is to store __________ before __________.

Stimuli acting on the stomach- namely protein,distension,caffeine,and alcohol-increase gastric secretion by overlapping efferent pathways.​

HCl in the stomach stimulates the release of gastrin.​

About 2,000 species of bacteria have been identified in the human large intestine.​

Two basic types of phasic digestive motility exist in the digestive tract: __________ movements and mixing movements.

All three types of pancreatic digestive enzymes are packaged together in the __________ granules,so all the pancreatic enzymes are released together during __________.​

How often is the protective lining of the stomach replaced?​

The presence of acid in the duodenum stimulates the release of __________.

Parietal cells secrete the hormone gastrin into the blood in response to protein products in the stomach lumen and in response to alcohol.

Iron is actively transported from the lumen into the epithelial cells,with women having about four times more active transport sites for iron than men.

The prominent type of self-induced electrical activity in digestive smooth muscle is fast-wave potentials.

Collectively,the community of microbes that coexist peacefully and usefully with their human host is called the microbiometa,and the aggregate collection of genomes is known as the microbiota.​

Swallowing is initiated when a(n)__________ is voluntarily forced by the tongue to the rear of the mouth and into the pharynx.Swallowing is initiated when a(n)__________ is voluntarily forced by the tongue to the rear of the mouth and into the pharynx.

Each day,the exocrine gland cells in the small-intestine mucosa secrete into the lumen about 1.5 liters of an aqueous salt and mucus solution called __________.

The products of lipase digestion are monoglycerides and free peptides.​

Where is the vomiting center located?​

The migrating motility complex is regulated between meals by what hormone?​

Dipping down into the mucosal surface between the villi are shallow invaginations known as the islets of Langerhans.​

Segmentation not only accomplishes mixing,but also slowly moves __________ through the small intestine.