Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 23, Problem 15RQ
Which of these ingredients in saliva is responsible for activating salivary amylase?
- mucus
- phosphate ions
- chloride ions
- urea
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Chapter 23 Solutions
Anatomy & Physiology
Ch. 23 - By clicking on this link...Ch. 23 - Visit this site...Ch. 23 - Watch this animation...Ch. 23 - Watch this animation...Ch. 23 - Watch this animation...Ch. 23 - By watching this animation...Ch. 23 - Watch this video...Ch. 23 - Which of these organs is not considered an...Ch. 23 - Which of the following organs is supported by a...Ch. 23 - Which of the following membranes covers the...
Ch. 23 - Which of these processes occurs in the mouth?...Ch. 23 - Which of these processes occurs throughout most of...Ch. 23 - Which of the following stimuli activates sensors...Ch. 23 - Which of these statements about reflexes in the GI...Ch. 23 - Which of these ingredients in saliva is...Ch. 23 - Which of these statements about the pharynx is...Ch. 23 - Which structure is located where the esophagus...Ch. 23 - Which phase of deglutition involves contraction of...Ch. 23 - Which of these cells secrete hormones? parietal...Ch. 23 - Where does the majority of chemical digestion in...Ch. 23 - During gastric emptying, chyme is released into...Ch. 23 - Parietal cells secrete ________. gastrin...Ch. 23 - In which pail of the alimentary canal does most...Ch. 23 - Which of these is most associated with villi?...Ch. 23 - What is the roLe of the small intestines MALT?...Ch. 23 - Which part of the large intestine attaches to the...Ch. 23 - Which of these statements about bile is true?...Ch. 23 - Pancreatic juice ________. deactivates bile. is...Ch. 23 - Where does the chemical digestion of starch begin?...Ch. 23 - Which of these is involved in the chemical...Ch. 23 - Where are most fat-digesting enzymes produced?...Ch. 23 - Which of these nutrients is absorbed mainly in the...Ch. 23 - Explain how the enteric nervous system supports...Ch. 23 - What layer of the alimentary canal tissue is...Ch. 23 - Offer a theory to explain why segmentation occurs...Ch. 23 - It has been several hours since you last ate....Ch. 23 - The composition of saliva varies from gland to...Ch. 23 - During a hockey game, the puck hits a player in...Ch. 23 - What prevents swallowed food from entering the...Ch. 23 - Explain the mechanism responsible for...Ch. 23 - Describe the three processes involved in the...Ch. 23 - Explain how the stomach is protected from self...Ch. 23 - Describe unique anatomical features that enable...Ch. 23 - Explain how nutrients absorbed in the small...Ch. 23 - Why is it important that chyme from the stomach is...Ch. 23 - Describe three of the differences between the...Ch. 23 - Why does the pancreas secrete some enzymes in...Ch. 23 - Describe the location of hepatocytes in the liver...Ch. 23 - Explain the role of bile salts and lecithin in the...Ch. 23 - How is vitamin B12 absorbed?
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Parietal cells acidify the stomach contents while maintaining a neutral cytosolic pH by: exporting "excess" cytosolic OH as HCO3 exchanging HCO3- for CI O preserving electroneutrality by accompanying the movement of each CI ion into the stomach lumen by a K+ O All of the other are correctarrow_forwardLipase acts on: I. Amino acids II. Fats III. Carbohydrates IV. All of thesearrow_forwardOn the histologic section of the glands stomach's fundus, relatively large electron-microscopically cells with acidophilic cytoplasm can be seen, and in these cells there is a complicated system of intracellular tubules. What component of gastric juice is formed due to the activity of these cells? Serotonin Mucus Gastrin O Hydrochloric acid Opepsinogenarrow_forward
- Which of the following is TRUE? The substrate for lipase is fatty acids When lipase is present and active it hydrolyzes triglycerides When triglycerides are hydrolyzed the pH would be elevated All of the above None of the abovearrow_forwardAnatomy and physiologyarrow_forwardWrite an account of the regulation of acid production by neural and hormonal mechanisms during the gastric phase (Figure 1). enteric distension activatas noural roflexes neurons HCI acetylcholine food in stomach parietal cell buffers histarnine açid increases pH to prevent stimulation of somatostatin ECL cell somatostatin secretion somatostatin- releasing cell gastrin G cell peptidesarrow_forward
- The duodenum is important for Absorbing nutrient molecules produced by enzymes Releasing acid into the chyme mixture Repetitive neutralization of highly acidic chyme by pancreatic HCO3- The storage of bile acidsarrow_forwardWhich of the following digestive secretion is not an enzyme? amylase mucus pepsin maltasearrow_forwardThe exocrine cells of the pancreas secrete pancreatic enzymes and hydrochloric acid bile salt bicarbonate somatostatinarrow_forward
- The ingestion of a meal high in fat would cause which of the following to occur? bile would be released to emulsify the fat severe indigestion caused by lack of sufficient digestive enzymes the acidic secretions of the stomach would be sufficient to completely digest the foodarrow_forwardA patient is brought to the emergency department due to acute pain, nausea, and vomiting. Computed tomography indicates acute pancreatitis that leads to an increased activation of trypsin. Which of the following is most likely activated in this condition? Pancreatic lipase Lysophospholipase Gastric lipase Colipasearrow_forwardAmino acids are absorbed Into the Intestinal cell by: O Dissolving through the lipid cell membrane OCountertransport of Na Cotransport of Na- O Faci itated d'ffusion OPrimary active transportarrow_forward
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