Question 1

The right colic flexure is also known as which of the following?

Accepted Answer

A)   hepatic flexure
B)   transverse colon
C)   sigmoid flexure
D)   anal canal
E)   splenic flexureF) All of the above
G) D) and E)

Question 2

Figure 25.3
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label R.

Accepted Answer

A)   Rectum
B)   Ascending colon
C)   Sigmoid colon
D)   Transverse colon
E)   Descending colonF) A) and B)
G) A) and C)

Question 3

Figure 25.3
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label K.

Accepted Answer

A)   Descending colon
B)   Pyloric sphincter
C)   Cardiac sphincter
D)   Ileocecal valve
E)   Pyloric valveF) All of the above
G) C) and E)

Question 4

Pancreatic juice is secreted by the exocrine pancreatic acini.

Accepted Answer

A) True 
 B)False

Question 5

Which portion of the stomach opens into the duodenum?

Accepted Answer

A)   cardia
B)   body
C)   fundus
D)   cardiac orifice
E)   pyloric canalF) A) and D)
G) A) and E)

Question 6

Figure 25.1
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label T.

Accepted Answer

A)   Submucosal gland
B)   Villi
C)   Circular muscle layer
D)   Lymphatic vessel
E)   Muscularis mucosaeF) B) and C)
G) A) and E)

Question 7

Which of the following is the pouch formed by the enlarged dorsal mesentery of the stomach?

Accepted Answer

A)   mesentery proper
B)   greater omentum
C)   lesser omentum
D)   transverse mesocolon
E)   sigmoid mesocolonF) A) and C)
G) D) and E)

Question 8

Figure 25.3
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label I.

Accepted Answer

A)   Transverse colon
B)   Sigmoid colon
C)   Ascending colon
D)   Cecum
E)   Descending colonF) A) and B)
G) A) and C)

Question 9

Neither the upper nor the lower portion of the esophagus has a well-defined sphincter muscle comparable to those located elsewhere along the digestive tract.

Accepted Answer

A) True 
 B)False

Question 10

Peristalsis ________.

Accepted Answer

A)   is a condition wherein the lining of the digestive tract is irritated by the passage of rough fibrous material
B)   consists of waves of muscular contractions that move along the length of the digestive tract
C)   only occurs in the esophagus
D)   is a muscular movement pattern that occurs in regions of the digestive tract where the smooth muscle fibers are not arranged in layers
E)   is the same as segmentationF) C) and E)
G) B) and D)

Question 11

The longest portion of the small intestine is the ________.

Accepted Answer

A)   duodenum
B)   jejunum
C)   ileum
D)   colon
E)   cecumF) B) and D)
G) C) and E)

Question 12

Figure 25.1
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label Q.

Accepted Answer

A)   Circular muscle layer
B)   Muscularis mucosae
C)   Lymphatic vessel
D)   Submucosal gland
E)   VilliF) A) and B)
G) A) and C)

Question 13

To date, more than 200 different functions have been attributed to the liver, such as the inactivation of toxins and the storage or iron reserves and fat-soluble vitamins.

Accepted Answer

A) True 
 B)False

Question 14

Figure 25.2
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label G.

Accepted Answer

A)   Ileum
B)   Duodenum
C)   Cardia
D)   Cecum
E)   JejunumF) A) and B)
G) D) and E)

Question 15

During the aging process, the ________ in the digestive epithelium divide less frequently so tissue repair is less efficient.

Accepted Answer

A)   keratinocytes
B)   Merkel cells
C)   stem cells
D)   melanocytes
E)   Langerhans cellsF) A) and B)
G) A) and C)

Question 16

Ninety percent of nutrient absorption occurs in the small intestine, and most of the rest occurs in the proximal portion of the large intestine.

Accepted Answer

A) True 
 B)False

Question 17

Figure 25.1
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label C.

Accepted Answer

A)   Circular folds
B)   Muscular layer
C)   Mesentery
D)   Mucosa
E)   SubmucosaF) B) and C)
G) C) and D)

Question 18

Figure 25.1
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label L.

Accepted Answer

A)   Submucosa
B)   Muscular layer
C)   Serosa
D)   Adventitia
E)   MucosaF) B) and C)
G) C) and D)

Question 19

Figure 25.3
  
Identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label AA.

Accepted Answer

A)   Mesentery proper
B)   Greater omentum
C)   Omental appendices
D)   Mesocolon
E)   Lesser omentumF) A) and E)
G) A) and B)

Question 20

Which of the following is/are described as the series of pouches that are formed by the colon wall?

Accepted Answer

A)   omental appendices
B)   haustra
C)   circular folds
D)   teniae coli
E)   rugaeF) B) and D)
G) B) and C)

Exam 25: The Digestive System

Which portion of the stomach opens into the duodenum?

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Neither the upper nor the lower portion of the esophagus has a well-defined sphincter muscle comparable to those located elsewhere along the digestive tract.

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Peristalsis ________.

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Figure 25.3 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label AA.

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Which of the following is/are described as the series of pouches that are formed by the colon wall?

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To date, more than 200 different functions have been attributed to the liver, such as the inactivation of toxins and the storage or iron reserves and fat-soluble vitamins.

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Figure 25.3 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label R.

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Figure 25.3 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label K.

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Which of the following is the pouch formed by the enlarged dorsal mesentery of the stomach?

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During the aging process, the ________ in the digestive epithelium divide less frequently so tissue repair is less efficient.

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Figure 25.2 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label G.

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Pancreatic juice is secreted by the exocrine pancreatic acini.

Correct AnswerverifiedShow Answer

Ninety percent of nutrient absorption occurs in the small intestine, and most of the rest occurs in the proximal portion of the large intestine.

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Figure 25.3 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label I.

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Figure 25.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label Q.

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The longest portion of the small intestine is the ________.

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The right colic flexure is also known as which of the following?

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Figure 25.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label C.

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Figure 25.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label T.

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Figure 25.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label L.

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