The Digestive System

46 Questions  I  By Dru31988
Please take the quiz to rate it.

Digestive System Quizzes & Trivia
Review.

  
Changes are done, please start the quiz.


Questions and Answers

Removing question excerpt is a premium feature

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

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz
We have sent an email with your new password.