Exam 16: B--The Digestive System

Use this figure to answer the corresponding questions. The hormone called secretin has a stimulatory effect on the ____________________ (labeled # ____) and the ____________________ (labeled # ____), but it has an inhibitory effect on the ____________________ (labeled # ____).

Describe the defecation reflex. Include the following in your

Use this figure to answer the corresponding questions. Match the following statements with all appropriate organ number(s). Some numbers may be used more than once. _________Secretes hormones that inhibit the stomach _________Synthesizes bile _________Contains parietal and chief cells _________All organs that produce an enzyme that hydrolyzes starch _________Experiencesmassmovement _________Three structures attached to the cecum _________Contains crypts of Lieberkühn _________Stores a substance needed for fat emulsification _________Stretchingthis iritiates the defecation reflex _________Experiences segmentation _________Stretchingthis initiates the gastroileal and gastrocolic reflexes _________Experienceshaustral churning

Use this figure to answer the corresponding questions. Number ____ identifies the ____________________, which utilizes SGLT and GLUT-5 carriers.

Describe factors within the stomach and duodenum, and those outside the digestive system that affect gastric motility and emptying.

Describe the chemical digestion of proteins, including the sites where it occurs, specific enzymes involved and their actions, the sources of the enzymes, and how certain enzymes are activated.

Use this figure to answer the corresponding questions. Number ____ identifies the ____________________, which secretes three proteolytic enzyme precursors. After activation, these precursors become three active enzymes including ____________________, ____________________, and ____________________.

Indicate the causes and effects of constipation and diarrhea.

Describe how food in the stomach affects other structures in the digestive system. Include information about hormonal and neural reflexes.

Indicate which item in the top column best describes the item in the bottom column by writing the appropriate letter in the blank. enzyme for carbohydrate digestion that functions 1. Trypsin(ogen) primarily in the body of the stomach \_\_\_ 2. first to activate pepsinogen \_\_\_ 3. Secretin stimulates pancreatic acinar cells \_\_\_ enzyme for protein digestion secreted by 4. Pyloric gland area pancreas \_\_\_ 5. Lipase enzyme for fat digestion \_\_\_ 6. Gastrin stimulates parietal and chief cells \_\_\_ 7. Cholecystokinin secreted by chief cells \_\_\_ 8. Pancreatic acinar cell secretes gastrin \_\_\_ secreted by duodenal cells in response to the 9. Pepsin(ogen) presence of acid \_\_\_ 10. Aminopeptidase secretes pancreatic enzymes \_\_\_ 11. Salivary amylase functions inside brush border \_\_\_ 12. Pancreatic duct cell secretes \_\_\_