The pancreas produces A. lipase and amylase B. nucleases D. A, B, and C E A and B only C. proteases 8. During the cephalic phase of gastric secretion, A. the stomach responds to distention B. epinephrine activates parietal and chief cells. c. there is an increased flow of action potentials alone cranial nerve X (the vagus nerve) to the stomach D. the ENS stimulates gastric emptying. E production of gastric juice slows down 9. What do trypsin, chymotrypsin, carboxypeptidase, and enteropeptidase ALL have in common/ A. they are inactive, until activated by low pH D . all of the above B. they are all products of the pancreas E. none of the above C. they are all products of the small intestine epithelial cells 10. The portion of the colon just before the rectum is the A ascending colon B descending colon C. anus D. sigmoid colon E. appendix II. A drug that would block the action of carbonic anhydrase in parietal cells would result in A a lower blood pH during gastric secretion B. a higher blood pH during gastric secretion C. decreased pepsinogen production D. increased protein digestion in the stomach 12. Helicobacter pylori is A a region of the stomach, closest to the intestines B. the causative agent of heartburn C. a virus that infects the epithelial lining of the duodenum D. a disease that results when you are deficient in intrinsic factor E a bacterium that causes stomach ulcers Matching (13 – 15) A. lacteal B. thoracic duct C. liver D. capillary network E. ‘brush Arteriole →TO? 14 To:? is

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