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Zachary's Story - School Papers

Zachary's Story

Case Study
Diana Mack
Breckinridge School of Nursing

AP2630
7/19/15

Zachary's Story

1. An ulcer starts by eroding the mucosa of the G.I tract wall. What functions of digestion or reabsorption might be lost if this layer is no longer functional? What functions will be compromised if the ulcer eats through the submucosa and then the muscularis?

Absorption would not happen correctly because some of the ingested and secreted may seep out of the lumen. This could also create a pathway of entry for pathogens if the ulcerate its way through to the muscularis mucosa and lose some control of ...

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in ulcer formation and how do they contribute to the creation of lesions in the G.I tract wall?

Zachary's stomach contributes to the formation of ulcers in the other parts of the G.I tract by the acids that are needed to break down food. The acids are excessive and will cause the stomach to over work therefore causing surrounding parts to be overworked as well. The cells that participate in ulcer formation include: partial cells (secrete HCI) and gastric gland (acetylcholine). The major causing factor is chronic inflammation due to Helicobacter pylori that colonize the mucosa. The immune system is unable to clear up the infection despite the appearance of antibodies, which the bacterium can cause a chronic active gastritis.

4. Why does Zachary's G.I tract need the substance the contributes to the formation of ulcers? How is this substance secreted by cells within the gastric pits?

Zachary's G.I tract need the substance to assist in the breakdown of food for ...

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PAPER DETAILS

Added: 8/5/2015 03:24:45 PM
Submitted By: mackd9090
Category: Science & Nature
Type: Premium Paper
Words: 998
Pages: 4

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