Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 35, Problem 4MC
Summary Introduction
Introduction:
The gastric glands are present in different regions of the stomach. The various cells of the glands secrets pepsinogen, hydrochloric acid, gastrin, and mucus, and all are important for the digestion of food.
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Students have asked these similar questions
It is occasionally necessary for a person to have their gallbladder surgically removed. How will such a person's digestive process be altered?
A.
Pepsinogen would not be converted into pepsin before entering the lumen of the stomach.
B.
The person would be unable to digest fats.
C.
Mucus would not protect the stomach lining.
D.
Water would not be extracted from forming feces.
E.
Bile would go directly from the liver to the duodenum.
which of the following is true of bile?
a. needed in the small intestine for the digestion of fats
b. needed in the small intestine for the emulsification of fats
c. synthesized by the gall bladder
d. it converts inactive pancreatic enzymes to an active form
Which of the following is FALSE?
A. Bile is a fat molecule-busting enzyme
B. Vitamins are organic compounds.
C. Most plants have a different composition of amino acids compared to animals.
D. Water reabsorption is one of the main functions of the large intestines.
Chapter 35 Solutions
Biology
Ch. 35.1 - You have probably seen articles warning of the...Ch. 35.1 - Prob. 1TCCh. 35.1 - Prob. 1CSCCh. 35.1 - Prob. 1CYLCh. 35.1 - explain how food energy is measured and how energy...Ch. 35.1 - Prob. 3CYLCh. 35.2 - Prob. 1CYLCh. 35.2 - compare the various ways that invertebrates digest...Ch. 35.2 - explain how vertebrate digestive systems are...Ch. 35.3 - Prob. 1TC
Ch. 35.3 - Stomach acid can be very destructive to the...Ch. 35.3 - Prob. 2TCCh. 35.3 - Prob. 3TCCh. 35.3 - Prob. 1CYLCh. 35.3 - explain how the small intestine absorbs nutrients,...Ch. 35.3 - describe feces and how they are produced and...Ch. 35.3 - Prob. 4CYLCh. 35.3 - The causes of eating disorders are complex and...Ch. 35 - Which of the following is False? a. Carbohydrates...Ch. 35 - Prob. 2MCCh. 35 - Prob. 3MCCh. 35 - Prob. 4MCCh. 35 - Prob. 5MCCh. 35 - Prob. 1FIBCh. 35 - Sponges rely exclusively on __________ digestion....Ch. 35 - Prob. 3FIBCh. 35 - The five major processes carried out by the...Ch. 35 - In humans, a cavity called the __________ is...Ch. 35 - Fats are dispersed by a secretion called...Ch. 35 - Prob. 7FIBCh. 35 - Prob. 1RQCh. 35 - Prob. 2RQCh. 35 - Vertebrates can be grouped into three categories...Ch. 35 - Prob. 4RQCh. 35 - Prob. 5RQCh. 35 - Prob. 6RQCh. 35 - Prob. 7RQCh. 35 - Prob. 8RQCh. 35 - Name four structural or functional adaptations of...Ch. 35 - Prob. 10RQCh. 35 - Prob. 11RQCh. 35 - Prob. 12RQCh. 35 - Prob. 1ACCh. 35 - Prob. 2ACCh. 35 - Prob. 3AC
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- Which of the following is true about carbohydrate digestion? A. Cellulose and lignin found in plants are totally indigestible even with intestinal bacteria. B. The acidity of the stomach prevents chemical digestion of carbohydrates. C. Dextrin and maltose are the products of chemical digestion of starch by pancreatic amylase. D. Disaccharidases produced from the pancreas breaks down oligosaccharides in the intestines.arrow_forwardWhich of the following is NOT true about whey protein? A. It is derived from milk. B. It contains all nine essential amino acids. C. It is a slow-digesting protein. D. It can help increase muscle protein synthesis.arrow_forwardWhich of the following is incorrect regarding gastric juice?a. It is provided by the pancreas.b. It contains pepsin to digest protein.c. It has a pH of 2 due to hydrochloric acid.d. It is produced by the gastric glands.arrow_forward
- Which of the following statements is true?a. Intracellular digestion commonly occurs in vertebrates.b. Absorption of nutrients always requires active transport.c. Alimentary canals have two openings, whereas gastrovascularcavities have only one.d. Extracellular, but not intracellular, digestion requires hydrolyticenzymes.e. Most minerals are absorbed by simple diffusion.arrow_forwardWhich of the following is true? a. The internal anal sphincter is made out of skeletal muscle. b. The defecation reflex can be affected by input from the cerebral cortex. c. Defecation is a complex function that requires coordinated involvement from the gastrointestinal and respiratory system. d. Abdominal muscle contraction decreases intra-abdominal pressure and expel feces more rapidly. e. All of the choices.arrow_forwardWhich of the following statements is untrue? a. Roughage takes a long time to digest. b. Birds eat large quantities at one time so that they can fly long distances. c. Cows do not have upper teeth. d. In pseudo-ruminants, roughage is digested in the cecum.arrow_forward
- Which of the following is an unregulated process in the digestive tract? a. secretion of cholecystokinin (CCK) by the duodenal mucosa b. absorption of amino acids across the epithelium of the small intestine c. release of bicarbonate ion (HCO3–) by pancreatic duct cells d. peristalsis in the stomacharrow_forwardWhich of the following statements regarding protein digestion is incorrect? A. The intestinal enzymes trypsin and chymotrypsin continue the chemical breakdown of polypeptides into oligopeptides. B. Chemical digestion of proteins is initiated in the stomach through the action of the enzyme pepsin. C. Mechanical digestion of proteins starts in the mouth through chewing. D. Di- and tripeptides enter the intestinal cells where they are broken down by peptidases into individual amino acids.arrow_forwardWhich of the following best describe the function of goblet cells in the digestive tract? A. produce mucus that protects parts of the digestive organs from the effects of powerful enzymes needed for food digestion B. secrete buffers in order to keep the pH of the digestive tract close to neutral C. provide protection against invading bacteria and other disease-causing organisms that enter the digestive tract in food D. absorb nutrients from digested food and store them for future usearrow_forward
- What is one of the major pathways by which excess cholesterol is eliminated from circulation? Select one: a. As VLDL b. Using anti cholesterol drugs c. In feces d. Conversion to chylomicrons e. Conversion to bile saltsarrow_forwardWhich of the following is true about segmentation in the small intestine?a. It is a type of peristalsis.b. It moves chyme only from the duodenum to the ileum.c. Its frequency is the same in each intestinal segment.d. It is unaffected by cephalic phase stimuli.e. It produces a slow migration of chyme to the large intestine.arrow_forwardWhich two hormones promote the release of bile and pancreatic juice into the small intestine? A. Secretin and cholesytokinin (CCK) B. Gastric inhibitory peptide (GIP) and histamine C. Somatostatin and secretin D. Gastrin and histamine Which of the following statements about starch digestion is FALSE? A. It begins in the mouth. B. It occurs in the stomach. C. It requires the action of pancreatic amylase D. It requires brush border enzymes for completion. . Which of the following statements about contraction of intestinal smooth muscle is TRUE? A. It occurs automatically. It is increased by parasympathetic nerve stimulation C. It produces segmentation D. All of the above are TRUE В.arrow_forward
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Human digestive system - How it works! (Animation); Author: Thomas Schwenke;https://www.youtube.com/watch?v=X3TAROotFfM;License: Standard Youtube License