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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Chapter 37.3, Problem 2TYK
Summary Introduction
Introduction:
The pancreas secretes many substances inside the small intestine that are involved in the digestion of food. The chyme, through the intestine move towards the duodenum. Once it reaches inside the duodenum, it produces two hormones termed as cholecystokinin and secretin. The cholecystokinin (CCK) is involved in the stimulation of the pancreas to produce digestive enzymes inside the intestine. It is involved in the breakdown of macromolecules, contraction of the gallbladder, and also involved in the sphincter relaxation. While the secretin is involved in the production of bicarbonate to neutralize the acidity of the chyme.
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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.
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
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secretin
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Can you help me fill in the following word blanks?
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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 34.12 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_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_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
- which of the following inhibits gastric juice secretion?arrow_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_forwardWatch this animation (http://openstaxcollege.org/l/sintestine) that depicts the structure of the small intestine, and, in particular, the villi. Epithelial cells continue the digestion and absorption of nutrients and transport thesenutrients to the lymphatic and circulatory systems. In the small intestine, the products of food digestion are absorbed by different structures in the villi. Which structure absorbs and transports fats?arrow_forward
- Ana, an 18-year old ballerina engaged in drastic dieting. She developed gallstones that obstruct the flow of bile into the intestinal tract. In the absence or deficiency of bile, which of the following cannot be absorbed? O Bilirubin, and Vitamins D and C O Salt and immunoglobulin O Vitamins B, C, E, and K O Vitamins A D, E, and K 29 30 31 32 33 34 35 36 37 38arrow_forwardWhich of the following is characteristic of the large intestine? It: is longer than the small intestine has rugae contains microvilii exhibits external muscular bands called taenia coliarrow_forwardWhich 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_forward
- Intrinsic factor, found in the lining of the stomach, is needed to? Stimulate the release of bile from the pancreas Absorb vitamin B12 Stimulate the production of digestive enzymes in the liver All of the above.arrow_forwardWhich 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.arrow_forwardWhich 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 vitaminsarrow_forward
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