Case Study: Zachary's Story

EBONY CARTER
CASE STUDY: ZACHARY'S STORY
ANATOMY AND PHYSIOLOGY

A. An ulcer starts by eroding the mucosa of the G.I tract wall. What functions of digestion and/ 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 some of the ingested and secreted may seep out of the lumen. This also could create a pathway of entry for pathogens if the ulcer ate through to the muscularis mucosa and also lose some control of defecation.

B. If Zachary has a peptic ulcer ...

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do they contribute to the creation of lesions in the GI tract wall?

- by the acids needed to break down food are excessive and cause the stomach to over work therefore causing surrounding parts to be over worked as well. If the stomach is always digesting food the digestion processes is always going. Parietal cells and gastric glands are directly related to the formation of ulcers. A factor that causes chronic inflammation due to helicobacter pylori that colonizes the mucosa. The immune system is unable to clear an infection.

D. Why does Zach's G.I tract need the substance that contributes to the formation o the ulcers? How this substance is secreted by cells within the gastric pits?

- It needs the substance to assist in the breakdown of food for absorption. Epithelial cells extend into the lamina where they form secretory folds called gastric glands. Several of these glands open into the gastric pits and secretions from these glands flow into the pits.

E. If Zach's ...

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PAPER DETAILS
Added: 8/22/2015 12:37:22 PM
Submitted By: mscarter91
Category: Health & Medicine
Type: Premium Paper
Words: 899
Pages: 4

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