The chyme, made up of the aforementioned nutrients, is scanned by enteroendocrine cells in the duodenum of the intestines, stimulating the release of cholecystokinin and secretin into the blood stream. These stimulate the secretion of various enzymes from: The liver The wall of the intestines The pancreas C The gallbladder

The chyme, made up of the aforementioned nutrients, is scanned by enteroendocrine cells in the duodenum of the intestines, stimulating the release of cholecystokinin and secretin into the blood stream. These stimulate the secretion of various enzymes from: The liver The wall of the intestines The pancreas C The gallbladder

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter34: Animal Nutrition And The Digestive System

Section: Chapter Questions

Problem 2VCQ: Figure 34.12 Which of the following statements about the small intestine is false? Absorptive cells...

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Figure 16.7 Which of the following statements about the digestive system is false? a. Chyme is a mixture of food and digestive juices that is produced in the stomach. b. Food enters the large intestine before the small intestine. c. In the small intestine, chyme mixes with bile, which emulsifies fats. d. The stomach is separated from the small intestine by the pyloric sphincter.
The bile from the liver is delivered to the _______. a. stomach b. liver c. small intestine d. colon
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.
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.
Explain the differences between the digestion roles of the small and large intestines. Does the appendix also have a digestive function?
Which of the foillowing statement(s) about the digestive system is (are) correct? SELECT ALL THAT APPLY: O Vitamin K promotes blood clotting, and it is synthesized by bacteria in the large intestine. O Lactose intolerance means that a person is allergic to lactose. O Peristalsis and segmentation result from contractions of the smooth muscle of the muscularis externa. O Chylomicrons are absorbed by lacteals.
In cases of extreme emergency when the upper air passageway is blocked by a foreign object to the extent that the victim cannot breathe, quick reaction is required to save the person's life What procedure is designed to force such an object out of the air passage by the sudden application of pressure to the abdomen? O Heimlich maneuver O Leopold's maneuver O Cardiopulmonary resuscitation O Valsalva maneuver 50 51 52 53 54 55 56 57 58 59
Pathway of food through the alimentary canal: mouth→1. __________→esophagus→2. _______→duodenum→3. ___________→ileum→4. _________→ascending colon→transverse colon→descending colon→5._______→rectum→6. _______
The motion of these muscles causes waves of contraction to move down the length of the small intestine. What purpose do these waves of contraction serve?
During the process of absorption, nutrients from food go from:a. the intestines into the bladderb. the blood into the organsc. the intestines into the bloodstreamd. the mouth into the stomach
Functions of the liver are: choose (select more than one) A-Hematopoiesis of the fetus B-Synthesis of bile C-Storage (glycogen, iron, fat, vitamin A and D, etc.) D-Synthesis of toxins and drugs E-Metabolism of drugs, toxins and their detoxification F-storage (cholesterol) G- Metabolism of carbohydrates, fats, proteins
All the structures of the alimentary canal have 4 similar major histological tissues . Which of the following descriptions of the tissue layers contains innacurate information? A) The mucosa layer consits of a simple epithelium (responsible for absoprtion), a lamina proprioa (supports the epithelium) and muscularis mucosae (thats ivolved with peristalsis. B) The muscularis externa has 2 or 3 layers of smooth msulce and is involced with persistalsis C) The submucosa layer is a connective tissue layer that anchors the mucosa layer and contains many blood vessels, lyphatic vessels, and nerves D) The serosa layer is a connective tissue layer that tethers the alimnetary canal to the appropirate body cavitities. I believe that D is false but I am not certain