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 37.2, Problem 1TYK
Summary Introduction
Introduction:
Animals share many of the same nutritional requirements, but they obtain and process those nutrients in diverse ways. Once food has been ingested, some of the nutrients from the food must be broken down so that they can be absorbed by the cells of the
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Which 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.
Which of the following descriptions is incorrectly matched to the type of digestion occuring?
Acidic pH of gastric juice helping break down proteins and activate enzymes - mechanical digestion
Salivary amylase breaking down starch - chemical digestion
Peristalsis of the small intestine mixing up chyme - mechanical digestion
bile salts helping to emulsify fats and raise the pH - chemical digestion
chewing and mixing of food in the mouth - mechanical digestion
Match the following processes of the Digestive System to their specific description.
Match each item to a choice:
Choices:
Defecation
Digestion
Secretion
Mixing and propulsion
Ingestion
Absorption
the process by which food material are mixed together
and propelled within the GI tract.
the process by which micro molecules from the process
of digestion are absorbed within the small intestine.
the chemical and mechanical process of degrading food
material into small particles.
the act of taking something (food, medicine, liquid,
poison etc.) into the body through the mouth.
the process by which undigested food particle are
expelled out of the body.
the process by which chemical enzymes are secreted by
the Digestive System aiding Digestion.
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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Similar questions
- Digestion is completed and products are absorbed in the _________. a. mouth b. stomach c. small intestine d. large intestinearrow_forwardFigure 34.11 Which of the following statements about the digestive system is false? Chyme is a mixture of food and digestive juices that is produced in the stomach. Food enters the large intestine before the small intestine. In the small intestine, chyme mixes with bile, which emulsifies fats. The stomach is separated from the small intestine by the pylloric sphincter.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_forward
- List the organs and accessory organs of the digestive system. On a separate piece of paper, list the main functions of each organ.arrow_forwardSelect all of the following that apply to PROTEIN digestion. SELECT ALL THAT APPLY Mechanical digestion in oral cavity Chemical digestion in the oral cavity Mechanical digestion in the stomach Chemical digestion in the stomach Mechanical digestion in the small intestine Chemical digestion in the small intestinearrow_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_forward
- DIGESTIVE PROCESSES Match each description to a digestive process. involves opening of the anal sphincters COPY & PASTE peristalsis food enters the mouth DEFECATION involves the breakdown of macromolecules by enzymes elimination of PROPULSION chewing indigestible waste MECHANICALI DIGESTION INGESTION alcohol and lipid soluble drugs leave stomach most nutrients enter bloodstream in small intestine swallowing ABSORPTION stomach churning dissolves food into smaller particles CHEMICAL Pepsin breaks down proteins DIGESTION DRAG O 6 Toolarrow_forwardDefine the following processes happening in the digestive system: Ingestion Mechanical Digestion Chemical Digestion Motility: Peristalsis Motility: Segmentation Secretion Absorption Reabsorption (and Compaction) Defecationarrow_forwardSelect all of the following that apply to CARBOHYDRATE DIGESTION. SELECT ALL THAT APPLY Mechanical digestion in oral cavity Chemical digestion in the oral cavity Mechanical digestion in the stomach Chemical digestion in the stomach Mechanical digestion in the small intestine Chemical digestion in the small intestinearrow_forward
- note whether the statements below are consistent with a gastrovascular cavity, a type of incomplete digestive track or a complete digestive track (alimentary canal). A single opening functions in taking in food and eliminating waste. A simple type of digestive system. A more complex digestive system that allows for more comprehensive food processing. Two openings allow food to move in one direction as it is processed. Is suited to opportunistic feeding (eating when food is available). Is present in human systems.arrow_forwardName the major organs of the digestive system. Digestion (di-jest′yun) is the mechanical and chemical breakdown of foods and the absorption of the resulting nutrients by cells. Mechanical digestion breaks large pieces of food into smaller ones without altering their chemical composition. Chemical digestion breaks down larger nutrient molecules into simpler chemicals. The organs of the digestive system carry out these processes. The digestive system consists of the alimentary canal (al″i-men′tar-e kah-nal′), extending from the mouth to the anus, and several accessory organs that secrete into the canal substances that are used in digestion. The alimentary canal (from beginning to end) includes the mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, and anus. The accessory organs include the salivary glands, liver, gallbladder, and pancreas (fig. 15.1; see reference plates 4, 5, and 6). Overall, the digestive system is a tube, open at both ends, that has an…arrow_forwardWhich of the following types of movement is responsible for the mixing of food in the GI tract? Group of answer choices Deglutition Mass movement Peristalsis Segmentation In the digestion of lipids, a chylomicron contains Group of answer choices Both monoglycerides and fatty acids Monoglycerides Fatty acids Triglycerides Which of the following components of digestion is responsible for the chemical breakdown of foods? Group of answer choices Chewing Enzymatic hydrolysis Dissolving Emulsification Which of the following is a hormone that stimulates the pancreas to secrete bicarbonate? Group of answer choices Cholecystokinin Secretin Gastrin Glucose-dependent insulinotropic peptidearrow_forward
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