Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
GI System 3: Session 3 Supplemental Instruction Iowa State University Leader: Course: Instructor: Date: Blake AnS 214 Dr. Selsby 9-8-15 Self-Quiz: 1. Which of the following cells produce HCl? a. b. c. d. Parietal cells G cells Chief cells Enteroendocrine cells 2. Which of the following cells produce pepsinogen? a. G cells b. Enteroendocrine cells c. Parietal cells d. Chief cells 3. The increased concentration of HCO3- in blood draining from the stomach is called ______. a. Bicarbonate loading. b. The alkaline tide. c. The chloride shift. d. The enterogastric reflex 4. The enzyme used to form the acid that donates a proton (H+) for HCl production in the stomach is called __________. a. Enterokinase b. Lingual lipase c. Gastrin d. Carbonic anhydrase 5. The hormone that is secreted in the pyloric gland that stimulates HCl and pepsinogen production during digestion is ______________. a. Histamine b. Gastrin c. CCK d. Secretin 1060 Hixson-Lied Student Success Center 515-294-6624 [email protected] http://www.si.iastate.edu A. Regulation of gastric motility. 1) Name and define activating factor for the 3 phases of gastric function. 1. __________________: 2. __________________: 3. __________________: 2) Fill in the blanks on the diagram at right with the controls on gastric motility. B. Liver and gallbladder. 1) Name the 4 functions of the liver 2) Bile, while produced by the ___________________ is stored in the ___________________. It is an ___________________ solution, and consists of cholesterol derived ___________________, the pigment ___________________, as well as cholesterol, neutral fats, phospholipids and electrolytes. C. The pancreas. 1) What functions of the pancreas are categorized as exocrine? Endocrine? 2) Fill in the diagram with the zymogens produced in the pancreas on the left, and the activated product on the right. Write the activating enzyme for each above the arrow: _____________________ -------------------------> ________________________ ______________________ ------------------------ >_______________________ _______________________ -------------------------> ________________________ D. Hormonal control of intestinal secretions. 1) Name the three main hormones of the enteroendocrine system and define their functions. 1._______________________: Activated by: 2._______________________: Activated by: 3._______________________: Activated by: 2) Use the diagram on the right, to help answer the following fill in the blank questions about hormonal control of secretions. 1. Acid and fats from the stomach stimulate the secretion of _________________ and _________________ from the _________________. 2) Both hormones enter the bloodstream. 3) CCK induces the pancreas to secrete _________________, while secretin causes it to secrete _________________. 4) _________________ and _________________, traveling through the bloodstream, induce the increases production of bile in the liver. 5) _________________ causes the gallbladder to contract and expel its contents into the _________________. 6) During the _________________ and _________________ phases, vagal nerve stimulation causes the gallbladder to contract. A. SI anatomy 1) The three parts of the small intestine, in order, are... 2) Name and define the 3 structural features of the SI that increase its surface area.