NURS 5315 GI MODULE 9, EXAM 5 QUESTIONS & ANSWERS 2025 Upper GI organs - ANS-mouth,pharynx, esophagus, stomach, and duodenum Lower GI organs - ANS-small intestine, large intestine, rectum and anus Hepatoportal circulation - ANS-hepatic artery receives oxygenated blood from the inferior mesenteric, gastric, and cystic veins. The hepatic portal vein receives deoxygenated blood from the inferior and superior mesenteric vein and splenic vein and delivers nutrients that have been absorbed from the intestinal system Osmotic diarrhea - ANS-Caused by the presence of a nonabsorbable substance in the intestines. This pulls water by osmosis into the intestinal lumen and results in large volume diarrhea. This is how mag citrate, lactulose and miralax work. Causes include: excessive ingestion of nonabsorbable sugars, tube feedings, dumping syndrome, malabsorption, pancreatic enzyme deficiency, bile salt deficiency, small intestine bacterial overgrowth or celiac disease Secretory diarrhea - ANS-Results in large volume losses secondary to infectious causes such as rotavirus, bacterial enterotoxins, or c-diff. Motility diarrhea - ANS...
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