Question 1

What is NOT a major function of the normal flora of the large intestine?

Accepted Answer

A)   produce vitamins
B)   inhibit the immune system
C)   deter the growth of harmful bacteria
D)   metabolize undigested wastesE) C) and D)
F) B) and D)

Question 2

What region of the esophagus is composed of smooth muscle only?

Accepted Answer

A)   middle third of the esophagus
B)   lower third of the esophagus
C)   upper third of the esophagus
D)   entire length of the esophagusE) C) and D)
F) A) and C)

Question 3

Chief cells release:

Accepted Answer

A)   mucus.
B)   pepsinogen.
C)   gastrin.
D)   intrinsic factor.E) A) and B)
F) A) and C)

Question 4

The first portion of the large intestine is the:

Accepted Answer

A)   transverse colon.
B)   cecum.
C)   rectum.
D)   ascending colon.E) A) and C)
F) C) and D)

Question 5

The teeth are involved in mechanical digestion as they are the major organs of mastication.

Accepted Answer

A) True 
 B)False

Question 6

What best exemplifies enzymatic hydrolysis?

Accepted Answer

A)   mastication
B)   nutrient breakdown
C)   segmentation
D)   absorptionE) A) and D)
F) A) and C)

Question 7

What creates the mesentery?

Accepted Answer

A)   muscularis externa
B)   visceral peritoneum
C)   parietal peritoneum
D)   greater omentumE) C) and D)
F) None of the above

Question 8

Explain the functions of the three types of folds found in the small intestine, from largest to smallest.

Accepted Answer

The three types of folds in the small in...

Question 9

Carbohydrate digestion begins in the:

Accepted Answer

A)   small intestine.
B)   esophagus.
C)   mouth.
D)   stomach.E) All of the above
F) C) and D)

Question 10

List the three types of teeth and explain the specialized roles of each type of tooth in mastication.

Accepted Answer

The three types of teeth are the incisor...

Question 11

Which of the following encourages gastric emptying?

Accepted Answer

A)   low pH entering the duodenum
B)   high solute concentration in chyme entering the duodenum
C)   low lipid composition in chyme entering the duodenum
D)   high degree of stretch in the duodenum wallE) None of the above
F) C) and D)

Question 12

From large to small, the types of folds associated with the small intestine are circular folds, villi, and microvilli.

Accepted Answer

A) True 
 B)False

Question 13

The digestive system is regulated by the sympathetic, parasympathetic, and enteric nervous systems.

Accepted Answer

A) True 
 B)False

Question 14

The crown of a tooth is covered by:

Accepted Answer

A)   pulp.
B)   cementum.
C)   enamel.
D)   dentin.E) A) and B)
F) B) and D)

Question 15

Summarize the influence of bile salts, cholecystokinin (CCK), and secretin on bile production and release.

Accepted Answer

The most potent stimulus for bile produc...

Question 16

Proton -pump inhibitors are drugs that block the secretion of gastric acids. Which cells are affected by these drugs?

Accepted Answer

A)   parietal cells
B)   enteroendocrine cells
C)   mucous neck cells
D)   chief cellsE) B) and C)
F) B) and D)

Question 17

Discuss the influence of cholecystokinin (CCK) and secretin on the acinar cells of the pancreas.

Accepted Answer

Both cholecystokinin (CCK) and secretin ...

Question 18

The portion of a tooth that is visible above the gum line is known as the:

Accepted Answer

A)   pulp.
B)   root.
C)   cementum.
D)   crown.E) None of the above
F) B) and D)

Question 19

What stimulus initiates the defecation reflex?

Accepted Answer

A)   pressure on the gastroesophageal sphincter
B)   presence of acid in the stomach
C)   the stretch of the rectum
D)   release of secretin and cholecystokinin (CCK)  by the small intestineE) A) and B)
F) C) and D)

Question 20

Which organ functions to absorb significant quantities of water, electrolytes, and vitamins?

Accepted Answer

A)   stomach
B)   large intestine
C)   spleen
D)   small intestineE) All of the above
F) C) and D)

Exam 22: The Digestive System

From large to small, the types of folds associated with the small intestine are circular folds, villi, and microvilli.

Correct AnswerverifiedShow Answer

What region of the esophagus is composed of smooth muscle only?

Correct AnswerverifiedShow Answer

Discuss the influence of cholecystokinin (CCK) and secretin on the acinar cells of the pancreas.

Correct AnswerverifiedBoth cholecystokinin (CCK) and secretin ...View AnswerShow Answer

Which organ functions to absorb significant quantities of water, electrolytes, and vitamins?

Correct AnswerverifiedShow Answer

Which of the following encourages gastric emptying?

Correct AnswerverifiedShow Answer

The first portion of the large intestine is the:

Correct AnswerverifiedShow Answer

The crown of a tooth is covered by:

Correct AnswerverifiedShow Answer

What is NOT a major function of the normal flora of the large intestine?

Correct AnswerverifiedShow Answer

What stimulus initiates the defecation reflex?

Correct AnswerverifiedShow Answer

Chief cells release:

Correct AnswerverifiedShow Answer

The teeth are involved in mechanical digestion as they are the major organs of mastication.

Correct AnswerverifiedShow Answer

The portion of a tooth that is visible above the gum line is known as the:

Correct AnswerverifiedShow Answer

Explain the functions of the three types of folds found in the small intestine, from largest to smallest.

Correct AnswerverifiedThe three types of folds in the small in...View AnswerShow Answer

What creates the mesentery?

Correct AnswerverifiedShow Answer

The digestive system is regulated by the sympathetic, parasympathetic, and enteric nervous systems.

Correct AnswerverifiedShow Answer

What best exemplifies enzymatic hydrolysis?

Correct AnswerverifiedShow Answer

Proton -pump inhibitors are drugs that block the secretion of gastric acids. Which cells are affected by these drugs?

Correct AnswerverifiedShow Answer

Carbohydrate digestion begins in the:

Correct AnswerverifiedShow Answer

List the three types of teeth and explain the specialized roles of each type of tooth in mastication.

Correct AnswerverifiedThe three types of teeth are the incisor...View AnswerShow Answer

Summarize the influence of bile salts, cholecystokinin (CCK), and secretin on bile production and release.

Correct AnswerverifiedThe most potent stimulus for bile produc...View AnswerShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Both cholecystokinin (CCK) and secretin ...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified
The three types of folds in the small in...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Proton ^-pump inhibitors are drugs that block the secretion of gastric acids. Which cells are affected by these drugs?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The three types of teeth are the incisor...
View Answer

Correct Answer
verified
The most potent stimulus for bile produc...
View Answer