Answered: The inflammatory bowel disease…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

The inflammatory bowel disease ulcerative colitis is thought to be a result of a breakdown of the mucus barriers within the intestine due to reduced mucus production. Therefore, in ulcerative colitis patients you would expect to observe a decrease in the amount of:

1) goblet cells

2) circular muscle

3) submucosa

4) serosa

Expert Solution

Step 1: Inflammatory bowel diseases.

Crohn's disease and Ulcerative colitis are two idiopathic bowel diseases , these diseases primarily affect the bowel/ small intestine.

The two diseases have some distinguishing macroscopic features, such as

segmental distribution commonly in terminal ileum and ascending colon in Crohn's disease.
Continuous extending upward from rectum, signoid colon in Ulcerative colitis

Microscopic features, such as,

Transmural / entire width of depth of inflammation in crohn' s disease
Mucosal and sub mucosal inflammation with haemorrhagic mucosa with ulceration in Ulcerative colitis.

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