Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Textbook Question
Chapter 14, Problem 7TY
Which of the following lists structures in order from smallest to largest?
a. small intestine, folds, microvilli, villi
b. villi, microvilli, folds, small intestine
c. microvilli, folds, villi, small intestine
d. microvilli, villi, folds, small intestine
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Describe the three kinds of internal folds or projections that increase surface area in the
small intestine.
A Villi
B.microvilli
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Which of the following lists structures in order from smallest to largest? a. small intestine, folds, microvilli, villi b. villi, microvilli, folds, small intestine c. microvilli, folds, villi, small intestine d. microvilli, villi, folds, small intestine
Which of these structures increase the mucosal surface of the smallintestine?a. circular folds d. length of the small intestineb. villi e. All of these are correct.c. microvilli
Chapter 14 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
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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- 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.arrow_forwardThe bile from the liver is delivered to the _______. a. stomach b. liver c. small intestine d. colonarrow_forwardThe pyloric sphincter connects the: a. Esophagus and stomach b. Stomach and small intestine c. Stomach and large intestine d. Small intestine and large intestinearrow_forward
- Which layer of the digestive tract is in direct contact with the foodthat is consumed?a. mucosa c. serosab. muscularis d. submucosaarrow_forwardThe of the stomach are responsible for the formation of hydrochloric acid (HCI). a. chief cells b. parietal cells C. mucous cells d. G-cellsarrow_forwardB. Simple A. Simple C. Simple D. Stratified columnar with columnar cuboidal squamous goblet cells 1. Intestine 2. Tongue 3. Gall bladder 4. Bile ductarrow_forward
- Which of the following nutrients are digested within the small intestine? a. proteins b. lipids c. carbohydrates d. all of these choicesarrow_forwardwhere does the majority of chemical digetion in the stomach occur ? a. fundus and body b. cardiac and fundus c. body and pylorus d. bodyarrow_forwardA stabbing victim sustained a perforation to his large intestine. From the outermost layer to the innermost layer, what is the order in which the knife penetrated his intestine? A. Serosa, muscularis externa, submucosa, mucosa B. Serosa, submucosa, muscularis externa, mucosa C. Mucosa, submucosa, muscularis externa, serosa D. Submucosa, muscularis externa, serosa, mucosa E. Mucosa, muscularis externa, submucosa, serosa What do the enteroendocrine cells of the stomach produce? А. Реpsin B. Hydrochloric acid C. Intrinsic factor D. Gastrin E. Gastric juice What is the purpose of mastication? A. To eliminate undigested food wastes from the body B. To propel food from one digestive organ to the next C. To transport nutrients into the blood and lymph D. To chew, grind, and tear food into smaller pieces while in the mouth E. To move food back and forth along the walls of the small intestinearrow_forward
- Which of the following segment of the small intestine is the so called “mixing bowl”? A. Jejunum B. Duodenum C. Colon D. Ileumarrow_forwardWhich of the following best describe the function of goblet cells in the digestive tract? A. produce mucus that protects parts of the digestive organs from the effects of powerful enzymes needed for food digestion B. secrete buffers in order to keep the pH of the digestive tract close to neutral C. provide protection against invading bacteria and other disease-causing organisms that enter the digestive tract in food D. absorb nutrients from digested food and store them for future usearrow_forwardA13) Cholecystokinin acts on the __________to cause contractions and release of bile into the duodenum of the small intestine. Group of answer choices Gallbladder Pancreas Liver A14) Absorption of water is the job of the __________. Group of answer choices Stomach Esophagus Mouth Large intestine Small intestine A15) Carboxypeptidase is an enzyme involved in the chemical digestion of _________. Group of answer choices Lipids Nucleic Acids Proteins Carbohydrates A16) The acidic nature of chyme is neutralized by bicarbonate secreted by the ______. Group of answer choices Small Intestine Stomach Liver Pancreas Salivary Glandsarrow_forward
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