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Gastrointestinal System Quiz Name: _____________________________ Complete the following: 1. The purpose of __________________ is to moisten the food. 2. Food is called ______________ after it has been chewed and mixed with saliva. 3. The purpose of _____________ is to allow the stomach to expand. 4. Food and air pass through this tube _________________________. 5. Once food leaves the stomach, it is called ____________________. 6. __________________ are fingerlike projections that increase the absorptive surface of the small intestine. 7. What is the function of the vermiform appendix? 8. 9. In the stomach, _______________________ kills bacteria, facilitates iron absorption, and activates the enzyme pepsin. What are the major functions of the small intestine? 10. What are the major functions of the large intestine? 11. 12. 14. 15. ___________ is necessary to emulsify (break down) fat so that it can be absorbed. ___________________ is the wavelike involuntary movement of muscles that causes food to move in a forward direction through the digestive tract. What do the following digestive juices or enzymes do to food while it is in the small intestine? a. maltase b. sucrase c. peptidases d. pancreatic amylase e. trypsin f. lipase Digested fat is absorbed through the ________________________. What are the four divisions of the colon? 16. List 5 functions of the liver. 17. What is the function of the gallbladder? 18. What are the major functions of the pancreas? 19. _________________ is a viral infection of the liver spread by contaminated food or water. 20. _________________ occurs when an internal organ pushes through a weakened area or natural opening in a body wall. 21. _________________ is a condition characterized by frequent watery stools. 22. _________________ is presence of stones in the gallbladder. 23. _________________is a chronic disease of the liver in which scar tissue replaces liver cells. 24. Dilated or varicose veins in the rectal or anal area are called ___________________________. 25. ________________ is an inflammatory disease of the colon with formation of ulcers and abscesses. 26. ________________ is an inflammation of the mucous membrane of the stomach and intestines. 13. 27. ________________ occurs when the stomach protrudes through the diaphragm by the opening for the esophagus. 28. ______________ is an open sore on the lining of the digestive tract.