EP HUMAN BIOLOGY-MODIFIED MASTERING
8th Edition
ISBN: 9780134326436
Author: Johnson
Publisher: PEARSON CO
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Textbook Question
Chapter 14, Problem 2TY
All of the following are secreted into the lumen of the digestive tract during the process of digestion except:
a. acid
b. digestive enzymes
c. hormones
d. bile
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Which of the following is an unregulated process in the digestive tract?
a. secretion of cholecystokinin (CCK) by the duodenal mucosa
b. absorption of amino acids across the epithelium of the small intestine
c. release of bicarbonate ion (HCO3–) by pancreatic duct cells
d. peristalsis in the stomach
All of the following statements regarding the liver are true except one, which one?
a. it can convert amino acids to glucose during periods of fasting
b. it contains special phagocytic cells which remove worn-out blood cells from the circulation
c. blood from the hepatic artery and portal vein travels away from the central vein of each lobule
d. it converts ammonia to urea
which of the following is true of bile?
a. needed in the small intestine for the digestion of fats
b. needed in the small intestine for the emulsification of fats
c. synthesized by the gall bladder
d. it converts inactive pancreatic enzymes to an active form
Chapter 14 Solutions
EP HUMAN BIOLOGY-MODIFIED MASTERING
Ch. 14 - Do you buy organic foods or conventional foods...Ch. 14 - If you were concerned about the possible harm...Ch. 14 - Describe the organs of the GI tract including the...Ch. 14 - Prob. 2CRCh. 14 - Prob. 3CRCh. 14 - Prob. 4CRCh. 14 - Indicate how many teeth adult humans have.Ch. 14 - Prob. 6CRCh. 14 - Prob. 7CRCh. 14 - Rank the major nutrient groups (carbohydrates,...
Ch. 14 - Prob. 9CRCh. 14 - Prob. 10CRCh. 14 - Which of the GI tract tissue layers is most...Ch. 14 - All of the following are secreted into the lumen...Ch. 14 - All of the following are found in saliva except:...Ch. 14 - Which of the following might be true of an...Ch. 14 -
5. Which of the following nutrients are digested...Ch. 14 - The region of the digestive tract most responsible...Ch. 14 -
7. Which of the following lists structures in...Ch. 14 -
8. What do the enzymes pepsin, chymotrypsin,...Ch. 14 -
9. Once nutrients are absorbed into the...Ch. 14 - Prob. 10TYCh. 14 - Prob. 11TYCh. 14 - Prob. 12TYCh. 14 - Prob. 13TYCh. 14 - Prob. 14TYCh. 14 - Which of the following is associated with celiac...Ch. 14 - Prob. 1AWKCh. 14 - Prob. 2AWKCh. 14 - Prob. 3AWKCh. 14 - Prob. 4AWKCh. 14 - Prob. 5AWKCh. 14 - Prob. 6AWKCh. 14 - Prob. 7AWK
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- Each of the following is a form of mechanical digestion EXCEPT? A. Pancreatic juice secretion B. Fat emulsification you bile C. Chewing D. Stomach churningarrow_forwardWhich of the following function below is not performed by the liver? a. deamination of amino acids to form keto acids b. production of glucagon c. conversion of non-carbohydrate molecules to glucose d. synthesis of lipoproteins to transport fatty acidsarrow_forwardThere are two different kinds of secretions associated with the digestive system that needs to be understood to avoid confusion when describing how the digestive system functions. Which one of these secretions will be involved in the control of digestion through the blood? A.Endocrine B.Exocrinearrow_forward
- Although the stomach is normally thought of as the major player in the digestive process, the bulk of chemical digestion actually occurs in the a. mouth. b. appendix. c. duodenum. d. large intestine.arrow_forwardWhich of the following statements about starch digestion is FALSE? a. It begins in the mouth. b. It occurs in the stomach. c. It requires the action of pancreatic amylase d. It requires brush border enzymes for completionarrow_forwardWhich of the following is true about carbohydrate digestion? A. Cellulose and lignin found in plants are totally indigestible even with intestinal bacteria. B. The acidity of the stomach prevents chemical digestion of carbohydrates. C. Dextrin and maltose are the products of chemical digestion of starch by pancreatic amylase. D. Disaccharidases produced from the pancreas breaks down oligosaccharides in the intestines.arrow_forward
- Which of the following is/are (a) product(s) of the digestion of starch after the release of the pancreatic enzymes into the small intestine? A. lactose B. maltotriose C. α-dextrin D. limit dextrinarrow_forwardWrite the functions of the following in the digestive process:i. Bileii. Bicarbonate secreted by the duodenal wall.iii. Pancreatic amylase.arrow_forwardAll of the following organs will secrete digestive enzymes into the Duodenum, EXCEPT: a. Spleen b. Pancreasc. Liver d. Gall Bladderarrow_forward
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Human digestive system - How it works! (Animation); Author: Thomas Schwenke;https://www.youtube.com/watch?v=X3TAROotFfM;License: Standard Youtube License