ANATOMY & PHYSIOLOGY 4/E PAC 1 SEMESTER
4th Edition
ISBN: 9781265061173
Author: McKinley
Publisher: MCG CUSTOM
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Textbook Question
Chapter 26.1, Problem 3WDYL
What specific layer(s) must substances cross to enter the blood or lymphatic capillaries during their absorption?
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Which of the following food/chemical substances is absorbed across the epithelial cells of the stomach? (one or more answers may apply)
Choose from the following:
(A) water
(B) amino acids
(C) glucose
(D) aspirin
Which of the following absorb nutrients into the bloodstream?
D
Trace the path of a single protein molecule that has been ingested: The protein molecule must be digested before it can be transported to and utilized by the cells because (a) protein is only useful directly, (b) protein has a low pH, (c) proteins in the circulating blood produce an adverse osmotic pressure, (d) the protein is too large to be readily absorbed.
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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- what is the significance of the large number of blood vessels connecting to the small intestine in terms of transport needs? Justify if there will be any role of Blood Pressure on absorption in your own wordsarrow_forwardLet's suppose that one eats a meal that has bacon strips. Please trace the path of the dietary cholesterol to one's arteries. Hints: Who emulsifies fats in the small intestine? Who transports fats from the small intestine into the bloodstream? Which lipoprotein deposits them into the blood vessels to form arterial plaques? et cetera...arrow_forwardWhy does the enteric coated aspirin given at doses of 100 mg still exerts effects, despite the supposed release and absorption of the drug should be in the stomach?arrow_forward
- In order to allow the diffusion of islet beta cells encapsulated within the medical scaffold into the pancreas to provide a functional pancreas, which material would be ideal for that out of collagen, fibrin, and silk?arrow_forwardYou are going to go out with a bunch of friends to a restaurant with the best pizza in town. Your favorite is the pizza covered with cheese, tomato and lots of garlic and onions. The only problem is that you know that later in the evening you will be suffering from heartburn and indigestion. Decades ago, the only choice was to take some antacids after overeating pizza, but today there are multiple choices of preventative medications that act to stop heartburn before it starts. The stomach is a highly acidic environment that is further acidified after ingestion of food, which triggers a hormone-stimulated cascade. This hormone stimulation results in the activation of a H+ /K+ ATPase channel ("proton pump") that releases additional protons into the stomach cavity. Heartburn occurs when the acid in the stomach undergoes reflux and backs up into the esophagus, giving you that burning feeling in the chest. There are three types of remedies available. 1. Antacids such as calcium carbonate…arrow_forwardOils and proteins are digested and absorbed differently. Which organs are involved with A) both oils and proteins B) only oils and C) only proteins? BRIEFLY, what happens to oils and/or proteins at each of those organs? (DO NOT discuss ingestion or elimination.) Your answerarrow_forward
- You are a dietitian working in a hospital. You noticed that the resident physician typically orders serum albumin to diagnose malnutrition. He said that since albumin is synthesized in the liver, it is a marker of hepatic protein synthesis and protein status. What would you tell the physician? Explain your reasoning.arrow_forwardJoe suffers from pernicious anemia because his body is unable to produce intrinsic factor. Which part of his digestive system is not absorbing correctly?arrow_forwardThe lipoproteins that transport excess cholesterol from peripheral tissues back to the liver for storage or excretion in the bile are the: (a) chylomicrons. (b) FFA. (c) LDLs. (d) HDLs.arrow_forward
- Does blood rush to the stomach when you eat?arrow_forwardThe hepatic portal system drains blood from the digestive tract to the spleen, gallbladder, and pancreas. What constituents would you expect to be in the blood that enters the liver and what might the liver do with what it receives?arrow_forwardA general principle of physiology is that structure is a determinant of—and has coevolved with—function. One example highlighted in this chapter is the large surface area provided by the villous and microvillous structure of the cells lining the small intestinearrow_forward
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