Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Question
Chapter 37, Problem 2TY
Summary Introduction
Introduction:
Digestive enzymes are a group of enzymes that break down
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Which of the following statements concerning the large intestine is correct?
Group of answer choices
The ileocecal valve is the sphincter between the rectum and the anus
It is responsible for the absorption of most of the water in the gastrointestinal tract
The majority of nutrients are absorbed in the large intestines
The mutualistic bacteria in the large intestine may provide some additional vitamins
Which of the following statements is TRUE?
Hydrochloric acid makes an acidic environment in the stomach that promotes promotes polysaccharide digestion.
Lipase, produced by the pancreas, digests the emulsified fats into fatty acids.
Bile, synthesized by the liver and stored in the gall bladder, digests fats which will then be absorbed in the small intestine
The acidic environment converts the inactive pepsin into its active form: pepsinogen. Pepsinogen digests proteins in the stomach.
Which of the following statements is wrong?
Bile is synthesized from cholesterol.
Bile is synthesized by liver .
Bile is released in the small intestine.
Bile dissolves proteins in water for digestion .
Bile is stored in the Gallbladder .
Chapter 37 Solutions
Principles of Biology
Ch. 37.1 - Prob. 1TYKCh. 37.1 - Which statement is false? Water is an inorganic...Ch. 37.2 - Prob. 1CCCh. 37.2 - Prob. 1TYKCh. 37.3 - Prob. 1CCCh. 37.3 - Are the transport processes shown here, including...Ch. 37.3 - Prob. 2CCCh. 37.3 - Prob. 1TYKCh. 37.3 - Prob. 2TYKCh. 37.3 - Prob. 3TYK
Ch. 37.4 - During the absorptive state, an animal is fasting....Ch. 37.4 - Gluconeogenesis occurs when the liver synthesizes...Ch. 37.5 - Prob. 1CCCh. 37.5 - Prob. 1BCCh. 37.5 - Insulin primarily regulates blood glucose...Ch. 37.5 - Prob. 2CCCh. 37.5 - Prob. 2TYKCh. 37.6 - Prob. 1CCCh. 37.6 - Prob. 2CCCh. 37.6 - Prob. 1TYKCh. 37.6 - Prob. 2TYKCh. 37.7 - Prob. 1BCCh. 37.7 - Prob. 1TYKCh. 37.7 - Prob. 2TYKCh. 37.8 - Note that modem medical technology is using a...Ch. 37.8 - Prob. 1TYKCh. 37.8 - Hemodialysis is the treatment of choice for people...Ch. 37 - Prob. 1TYCh. 37 - Prob. 2TYCh. 37 - Prob. 3TYCh. 37 - Prob. 4TYCh. 37 - Prob. 5TYCh. 37 - Prob. 6TYCh. 37 - Prob. 7TYCh. 37 - Prob. 8TYCh. 37 - In the mammalian kidney, filtration is driven by...Ch. 37 - Which of the following cause(s) an increase in Na+...Ch. 37 - Prob. 1CCQCh. 37 - List and define the major processes involved in...Ch. 37 - Prob. 3CCQCh. 37 - Discuss the major ways in which glucose...Ch. 37 - Briefly discuss the parts mid functions of the...
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- Figure 34.19 Which of the following statements about digestive processes is true? Amylase, maltaseT and lactase in the mouth digest carbohydrates. Trypsin and lipase in the stomach digest protein. Bile emulsifies lipids in the small intestine. No food is absorbed until the small intestine.arrow_forwardFigure 34.12 Which of the following statements about the small intestine is false? Absorptive cells that line the small intestine have microvilli, small projections that increase surface area and aid in the absorption of food. The inside of the small intestine has many folds, called villi. Microvilli are lined with blood vessels as well as lymphatic vessels. The inside of the small intestine is called the lumen.arrow_forwardDigestion is completed and products are absorbed in the _________. a. mouth b. stomach c. small intestine d. large intestinearrow_forward
- Which of the following is not true? bile is made in the liver bile is stored in the gall bladder bile helps digest fats by acting like detergents bile is released from the gall bladder into the small intestine none of thesearrow_forwardThe salivary glands, pancreas, liver and gall bladder are considered accessory organs in the digestive system. They are not part of the digestive track but contribute to digestion. List the accessory organ associated with each the following functions. Produces bicarbonate to neutralize acidity as stomach contents enter the small intestine. Stores and releases bile to aid in breakdown of fats. Produces bile. Produces enzymes that enter the small intestine and aid in digestion. Moistens food Produces salivary amylase Produces hormones that regulate blood glucose levels. Stores glucose as glycogen (a polysaccharide)arrow_forwardWhich of the following is NOT a regulatory mechanism for digestion? Only carbohydrates are digested in the oral cavity. Hormones are secreted at various stages of digestion pH of the digestive tract is altered by the release of bicarbonates to the GI tract. Enzyme activation is effected by autocatalysis of zymogens. Cells and different organ systems are involved in the digestion of foodstuffs.arrow_forward
- Which of the following statements is not true about elimination of wastes from the body? Conscious opening of the external sphincter and smooth muscle contraction leads to the movement of the feces out of the alimentary canal. In the resting state the internal sphincter is relaxed while the external sphincter is contracted. Both sphincters must be relaxed in order for feces to pass out of the body. As the rectum fills it stimulates the internal sphincter to relax and the external sphincter to contract.arrow_forwardWhich statement about the large intestine is FALSE? Group of answer choices It is involved with the absorption of sodium. It is involved with the absorption of water. It harbors beneficial bacteria. It secretes digestive enzymes. It is also called the colon.arrow_forwardThe patient has a delayed outflow of bile from the gallbladder. What may this condition lead to? Emulsification would be correct. Chylomicrons wouldn't be able to function normally. Micelles would be formed correctly. Bile salts wouldn't be formed from cholesterol. Bile salts wouldn't be able to function normally.arrow_forward
- Which would be most effective in shutting down protein digestion in the small intestine? Preventing the release of bile salts from the gall bladder O Preventing the release of trypsinogen from pancreas Preventing release of hydrochloric acid from parietal cells Preventing the release of pancreatic alpha amylase Preventing release pepsinogen from chief cellsarrow_forwardThe chief cells near the base of a gastric gland secrete ________, which is converted by the acids in the gastric lumen to an active proteolytic enzyme. The chief cells near the base of a gastric gland secrete ________, which is converted by the acids in the gastric lumen to an active proteolytic enzyme. cholecystokinin rennin secretin intrinsic factor pepsinogen 91arrow_forwardThe cephalic phase of digestion: begins when someone smells and initially tastes food. is inhibited by cholecystokinin and secretin from the small intestin. includes the initial steps of chemical protein digestion. Is an immediate response to stomach distension. all of the above.arrow_forward
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