The Digestive System

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