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NURS 5315 GI Module 9, exam 5 Questions With Complete Solutions
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NURS 5315 GI Module 9, exam 5 Questions With Complete Solutions
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NURS 5315 GI Module 9, exam 5 QuestionsWith Complete Solutions
Upper GI organs
mouth,pharynx, esophagus, stomach, and duodenum
Lower GI organs
small intestine, large intestine, rectum and anus
Hepatoportal circulation
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
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 Results in large volume losses secondary to infectious causes such as rotavirus, bacterial enterotoxins, or c-diff.
Motility diarrhea
AKA short bowel syndrome. Results from resection of small intestine or surgical bypass of small intestine, IBS, diabetic neuropathy, hyperthyroidism, and laxative abuse. Fatty stools and bloating are common in malabsorption syndrome. Complications include: dehydration, electrolyte imbalance, metabolic acidosis, weight loss and malabsorption.
Upper GI bleed
bleeding that occurs in the esophagus, stomach or duodenum commonly caused by bleeding varices, peptic ulcers or Mallory-
Weiss tear(tearing of esophagus from stomach) Characterized by
frank, bright red or coffee ground emesis.
Lower GI bleed
Bleeding in the jejunum, ileum, colon or rectum from inflammatory bowel disease, cancer, diverticula or hemorrhoids.
Hematochezia, or the presence of bright red blood in the stools, suggest what kind of bleed
Peptic Ulcer Disease
Is a break in the integrity of the mucosa of the esophagus, stomach or duodenum resulting in exposure of the tissue to gastric acid. Risk factors include smoking, advanced age, NSAID use, ETOH, chronic disease, acute pancreatitis, COPD, obesity, socioeconomic status, gastrinoma, and infection with Helicobacter pylori. S&S: Epigastric pain is worse with eating, melena or hematemesis
Duodenal ulcers
most common and tend to develop in younger patients. S&S: epigastric pain that is relieved by food. Patients may have melena(black and tarry stool) or hematemesis
Ulcerative colitis (UC)
Inflammatory disease of the large instestine in persons 20-40y/o.
Less common in people who smoke. Has periods of remission and exacerbations. Characterized by inflammation and ulcerations that remain superficial and in the small intestine.
UC S&S
recurrent diarrhea, bloody stools, febrile, polyarthritis, uveitis, sclerosing cholangitis, erythema nodosum and pyoderma gangrenosum
UC complications
fissures, hemorrhoids, perirectal abscess, toxic megacolon, colon
perforation, and colorectal adenocarcinoma. Increased risk of VTE and microthrombi, and colon cancer
Crohn's disease
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