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Chapter Practice Test



This activity contains 24 questions.

Question 1
1 Which of the following is NOT an accessory organ of the digestive system?
 
End of Question 1


Question 2
2 The major site for nutrient absorption is the __________.
 
End of Question 2


Question 3
3 The primary goal of digestive tract regulatory mechanisms is to optimize nutrient breakdown and absorption.
   
 
End of Question 3


Question 4
4 The serous membrane that covers the external surface of most digestive organs is called the __________.
 
End of Question 4


Question 5
5 __________ circulation collects nutrient-rich blood from the GI tract and delivers it to the liver.
 
End of Question 5


Question 6
6 Match the following terms to their correct descriptions.

Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A protective outermost layer of the alimentary canal
B moderately dense connective tissue that has a rich supply of blood, lymphatic vessels, and nerve fibers
C main site of nutrient absorption
D responsible for segmentation and peristalsis
End of Question 6


Question 7
7 Saliva contains enzymes that break down proteins.
   
 
End of Question 7


Question 8
8 The permanent dentition consists of __________ teeth in a full set.
 
End of Question 8


Question 9
9 A weak gastroesophageal sphincter can result in heartburn.
   
 
End of Question 9


Question 10
10 Which of the following is NOT a function of the stomach?
 
End of Question 10


Question 11
11 The phases of gastric secretion from first to last are __________.
 
End of Question 11


Question 12
12 The increased concentration of HCO3- in blood draining from the stomach is called __________.
 
End of Question 12


Question 13
13 The __________ is the first segment of the small intestine.
 
End of Question 13


Question 14
14 Digestion of carbohydrates and proteins by brush border enzymes occurs within the ________ of the small intestine.
 
End of Question 14


Question 15
15 Bile is stored and concentrated in the __________.
 
End of Question 15


Question 16
16 Which of the following is NOT a characteristic of the liver?
 
End of Question 16


Question 17
17 __________ is NOT found in pancreatic secretions.
 
End of Question 17


Question 18
18 Most digestion occurs in the small intestine.
   
 
End of Question 18


Question 19
19 Most water is absorbed in the __________.
 
End of Question 19


Question 20
20 Bacterial flora in the large intestine do NOT produce __________.
 
End of Question 20


Question 21
21 Diarrhea results when food passes too quickly through the large intestine.
   
 
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Question 22
22 Match the following terms with their correct descriptions.

Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A fatty acids and monoglycerides
B nucleotides
C amino acids
D monosaccharides
End of Question 22


Question 23
23 Pepsin enzymatically digests __________.
 
End of Question 23


Question 24
24 Someone on a fat-free diet would not efficiently absorb vitamin D from their diet.
   
 
End of Question 24


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