ANATOMY & PHYSIOLOGY 4/E PAC 1 SEMESTER
4th Edition
ISBN: 9781265061173
Author: McKinley
Publisher: MCG CUSTOM
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Textbook Question
Chapter 26, Problem 15DYKB
Discuss why the tunica mucosa in the colon has a high percentage of goblet cells to produce mucin.
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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:
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Chapter 26 Solutions
ANATOMY & PHYSIOLOGY 4/E PAC 1 SEMESTER
Ch. 26.1 - How is the gastrointestinal (GI) tract...Ch. 26.1 - Prob. 2WDYLCh. 26.1 - What specific layer(s) must substances cross to...Ch. 26.1 - Prob. 4WDYLCh. 26.1 - Prob. 5WDYLCh. 26.1 - Prob. 6WDYLCh. 26.1 - Prob. 7WDYLCh. 26.1 - Prob. 8WDYLCh. 26.1 - Prob. 9WDYLCh. 26.2 - What structures are considered part of the upper...
Ch. 26.2 - Prob. 11WDYLCh. 26.2 - Prob. 12WDYLCh. 26.2 - How is the bolus moved from the oral cavity into...Ch. 26.2 - Prob. 14WDYLCh. 26.2 - Prob. 15WDYLCh. 26.3 - What organs are considered part of the lower GI...Ch. 26.3 - What are the three anatomic structures that...Ch. 26.3 - Prob. 18WDYLCh. 26.3 - Diagram the ducts of the accessory digestive...Ch. 26.3 - Prob. 20WDYLCh. 26.3 - Prob. 21WDYLCh. 26.3 - Prob. 22WDYLCh. 26.3 - Prob. 23WDYLCh. 26.3 - Which substances are typically absorbed by the...Ch. 26.4 - What enzymes are required to completely break down...Ch. 26.4 - How are proteolytic enzymes activated in the...Ch. 26.4 - What is the function of bile salts in lipid...Ch. 26.4 - Prob. 28WDYLCh. 26.4 - Prob. 29WDYLCh. 26.4 - Prob. 30WDYLCh. 26 - _____ 1. Which organ is located in the right upper...Ch. 26 - _____ 2. The _____ cells of the stomach are...Ch. 26 - _____ 3. Which of the following is an unregulated...Ch. 26 - _____ 4. Which organ (or part of an organ) is...Ch. 26 - _____ 5. Pancreatic juice contains a. HCO3 and...Ch. 26 - _____ 6. Bile is transported through the a....Ch. 26 - _____ 7. Digestion of proteins begins in the a....Ch. 26 - Prob. 8DYKBCh. 26 - _____ 9. Digestive enzymes that chemically digest...Ch. 26 - _____ 10. Most of the absorption of our digested...Ch. 26 - The GI tract from the esophagus to the anal canal...Ch. 26 - Discuss the reason why the involuntary sequence of...Ch. 26 - Prob. 13DYKBCh. 26 - Compare the structure of the circular folds,...Ch. 26 - Discuss why the tunica mucosa in the colon has a...Ch. 26 - Prob. 16DYKBCh. 26 - What is the role of the gallbladder in digestion?Ch. 26 - Describe the different forms of mechanical...Ch. 26 - Prob. 19DYKBCh. 26 - How are lipids absorbed in the GI tract?Ch. 26 - Prob. 1CALCh. 26 - Prob. 2CALCh. 26 - What component of the digestive tract can you not...Ch. 26 - The pancreatic ducts are blocked with a thick,...Ch. 26 - Prob. 5CALCh. 26 - Alexandra experienced vomiting and diarrhea and...Ch. 26 - A key event in the chemical digestion processes...Ch. 26 - Most cases of colorectal cancer occur in the most...
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- Some of the intestinal epithelial cells, called goblet cells, contain small globules of mucus. Why are there cells in the small intestine that produce mucus?arrow_forwardYou have just eaten a sausage and egg sandwich for breakfast. Explain the chemical changes that occur in the sandwich as it passes through the parts of the GI tract. Be sure to name all enzymes or secretions involved and their source.arrow_forwardTo increase the absorptive efficiency of the small intestine, the surface area of the mucosa is increased by the presence of folds in the wall called ___, and projections of the cell membrane called ___. Group of answer choices rugae : lacteals villi : microvilli microvilli : lacteals lacteals : rugaearrow_forward
- What changes would you expect to observe in the liver at the tissue level of a patient with a chronic viral infection? what are the long term implications for the patient if left untreated and how would this affect tissue function?arrow_forwardExplain how the organs in the GI tract can protect themselves from being digested by theenzymes they produce or from mechanical abrasions.arrow_forwardDescribe the role of these cells found in gastric glands: parietal, chief, mucous neck, and enteroendocrine.arrow_forward
- Celiac disease causes inflammation of the small intestine that causes the villi to atrophy, so that the lining becomes flat. How would this affect nutrient absorption? Why? Would feces of celiac patients have more, or less, nutrients in it? Explain.arrow_forwardList the defense mechanisms of the GI tract (at least 3), including cells that fight bacteria to protect the host (specify what cell/cell type). Please indicate what area/layer of the GI wall these defenses are found in the explanation.arrow_forwardAll the structures of the alimentary canal have 4 similar major histological tissues . Which of the following descriptions of the tissue layers contains innacurate information? A) The mucosa layer consits of a simple epithelium (responsible for absoprtion), a lamina proprioa (supports the epithelium) and muscularis mucosae (thats ivolved with peristalsis. B) The muscularis externa has 2 or 3 layers of smooth msulce and is involced with persistalsis C) The submucosa layer is a connective tissue layer that anchors the mucosa layer and contains many blood vessels, lyphatic vessels, and nerves D) The serosa layer is a connective tissue layer that tethers the alimnetary canal to the appropirate body cavitities. I believe that D is false but I am not certainarrow_forward
- contrast the mucosa of the colon with that of the smallintestine;arrow_forwardWhich of the following is not typically considered a defense against infection within the GI tract? a. keratinized layer of cells c. secretory IgA b. mucous coat d. continuous passage of cellsarrow_forwardThe small bowel biopsy results state, "flat mucosa with villus atrophy and hyperplastic crypts-inflammatory infiltrate in lamina propria." What do these results tell you about the change in the anatomy of the small intestine?arrow_forward
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