The Digestive System

46 Questions  I  By Dru31988
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Digestive System Quizzes & Trivia
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1.   The serous membranes that suspend the stomach and intestines from the abdominal wall are called 
A.
B.
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D.
E.
2.  The ___________ regulates digestive tract motility, secretion, and blood flow and its neurons are found in the ____________. 
A.
B.
C.
D.
E.
3.  The surface of the tongue is covered with ____________ stratified squamous epithelium, and has bumps called __________________, site of taste buds. 
A.
B.
C.
D.
E.
4.  Pancreatic enzymes are secreted in response to the hormone 
A.
B.
C.
D.
E.
5.  These nutrients are all absorbed without being digested except 
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B.
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D.
E.
6.  The swallowing center is located in
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7.  Infants have ________________ deciduous teeth, whereas adults have ________________ permanent teeth. 
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B.
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8.  The three most abundant classes of nutrients are 
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B.
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9.  The enterogastric reflex serves to 
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10.  Each of the following lists some of the tissue layers of the digestive tract. Which one has them in correct order from lumen to external surface? 
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11.  Which of these nutrients is absorbed by the lacteals of the small intestine? 
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D.
E.
12.  Lecithin prepares fats for hydrolysis by forming 
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B.
C.
D.
E.
13.  Pepsinogen is produced by ____________ and is activated by ___________. 
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14.  ____________, which is secreted by ___________ cells, is necessary for Vitamin B12 absorption. 
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15.  Which of these is the site of contact digestion? 
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16.  Which of these is not a component of the pancreatic juice? 
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17.  These are all accessory organ of the digestive system except 
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D.
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18.  Hydrochloric acid (HCl) is secreted by ____________ cells. 
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D.
E.
19.  The small intestine has a very large absorptive surface associated with all these structures except 
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D.
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20.  Why are several digestive enzymes secreted as zymogens? 
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21.  ____________ is the physiological process that moves a nutrient from the outside to the inside of the body. 
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D.
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22.  From superficial to deep, these are the structures found in a typical tooth. 
A.
B.
C.
D.
E.
23.  The organ that stores excess glucose and releases it later into the blood is 
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B.
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D.
E.
24.  ____________ transport lipids to the surface of the intestinal absorptive cells, which process them into _________________. 
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B.
C.
D.
E.
25.  The muscle tone of the ________________ along the colon contracts it lengthwise, causing its walls to bulge and form pouches called _______________. 
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B.
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D.
E.
26.  _____________ is associated with food stretching the stomach and activating myenteric and vagovagal reflexes, which in turn stimulate gastric secretions. 
A.
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D.
E.
27.  These are normally found in saliva except 
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B.
C.
D.
E.
28.  The ______________ gland is an extrinsic salivary gland; whereas the ______________ gland is an intrinsic salivary gland. 
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B.
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29.  . ______________ is a hormone, whereas ________________ is an enzyme. 
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30.  The sodium-glucose trasnsport protein (SGLP)
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31.  Bacterial flora carry out all of the following except 
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B.
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E.
32.  Proteins are digested by different enzymes acting in the following sequence 
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D.
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33.  A hepatic triad consists of 
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B.
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34.  Carbohydrate digestion begins in the ______________, whereas protein digestion begins in the ______________. 
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B.
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D.
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35.  Bacteria constitute about __________% of the dry weight of the feces
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36.   Defecation is stimulated by 
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37.  Chemical digestion breaks down _____________ into __________________.
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D.
E.
38.  Acid reflux into the esophagus ("heartburn") is normally prevented by 
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E.
39.  Amino acids and monosaccharides are absorbed in the ____________, and fatty acids are absorbed in the _______________. 
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40.  . The buccal phase of swallowing is under _____________ control and the pharyngo-esophageal phase is ______________. 
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B.
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E.
41.   The small intestine is suspended from the abdominal wall by 
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42.  The ______________ of the small intestine is/are similar to the _________________ of the stomach. 
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43.  Which of the following enzymes functions at the lowest pH?  
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44.  Of the following components of bile, only _____________ has/have a digestive function. 
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45.  The migrating motor complex 
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46.  The _______________ synthesizes bile acids by metabolizing ____________________. 
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B.
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D.
E.
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