Anatomy & Physiology: An Integrative Approach
2nd Edition
ISBN: 9780078024283
Author: Michael McKinley Dr., Valerie O'Loughlin, Theresa Bidle
Publisher: McGraw-Hill Education
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Question
Chapter 26.1, Problem 4WDYL
Summary Introduction
To determine:
The purpose served by muscular sphincters along the length of GI tract.
Concept introduction:
The hollow tube from the esophagus to large intestine is known as alimentary canal or GI tract. GI tract is made up of four-layer or tunics. Innermost mucosa, submucosa, muscularis and outermost layer adventitia or serosa is the four concentric layer of GI tract wall.
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Chapter 26 Solutions
Anatomy & Physiology: An Integrative Approach
Ch. 26.1 - What is the primary difference between mechanical...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 - What is the difference between intraperitoneal and...Ch. 26.1 - Where is the greater omentum located?Ch. 26.1 - Prob. 8WDYLCh. 26.1 - Prob. 9WDYLCh. 26.2 - Prob. 10WDYL
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 - Where do deoxygenated, nutrient-rich blood and...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 - _____ 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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Similar questions
- Where along the GI tract is the muscularis composed of skeletal muscle? Is control of this skeletal muscle voluntary or involuntary?arrow_forwardIdentify this component/region of the wall of the digestive tract Choose one from the following: (A) muscularis mucosa (B) submucosa (C) muscularis externa - innermost circular layer (D) muscularis externa - innermost oblique (E) muscularis externa - inner circular (F) muscularis externa - inner longitudinal (G) muscularis externa - inner obilquearrow_forwardin studying digestion (specifically the duodenum and pancreas) What is the difference between the sphincter of odii, ampula of vater, duodenal papilla and hepatopancreatic sphincter?arrow_forward
- When sensors in the GI tract are stimulated, they respond via reflexes. What types of digestive activity may be put into motion via those reflexes?arrow_forwardWhich structures of the lamina propria of the small intestine are responsible for transporting absorbed lipids (fats)? O Blood capillaries O Lacteals O Peyer's patches O MALT tissue O Duodenal glands Question 24 What structure of the large intestine is made up of the longitudinal strips of smooth muscle? O Internal anal sphincter O Pyloric sphincter O Teniae coli O Epiploic appendage O Cardiac sphincterarrow_forwardIn what ways will digestion be compromised when afflicted with a medical condition along the GI tract?arrow_forward
- Explain Segmentation contractions in a portion of the small intestine?arrow_forwardThe motion of these muscles causes waves of contraction to move down the length of the small intestine. What purpose do these waves of contraction serve?arrow_forwardWhat modification of the stomach muscularis externa allows it to mechanically digest food?arrow_forward
- What are the two main types of muscle movements in the Digestive tract? How are they different? What is an example of where each function?arrow_forwardwhy is there a need for sphincters in the stomach? what will happen otherwise?arrow_forwardDetermine the initial site of digestion (chemically) of the following:(1) Carbohydrates(2) Lipids(3) Proteinsarrow_forward
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