Question 1

Match the secretion with the correct cell type.
-hydrochloric acid

Accepted Answer

A)  endocrine cells
B)  hepatocyte
C)  parietal cells
D)  acinar cells
E)  goblet cellsF) None of the above
G) B) and C)

Question 2

-The diagram illustrates the anatomy of the stomach. What does "B" represent?

Accepted Answer

A)   muscularis
B)   duodenum
C)   esophagus
D)   pyloric sphincter
E)   cardiac partF) A) and B)
G) None of the above

Question 3

Blockage of the ileocecal valve would prevent

Accepted Answer

A)   pancreatic juice from entering the duodenum.
B)   bile from entering the duodenum.
C)   lymph from entering the jejunum.
D)   chyme from entering the ileum.
E)   chyme from entering the large intestine.F) A) and E)
G) A) and D)

Question 4

Use the key to choose the best answer.
-(1)  amount of bicarbonate in the aqueous component of pancreatic juice;
(2)  amount of bicarbonate in the enzymatic portion of pancreatic juice

Accepted Answer

A)  Choose this if the first item is greater than the second item.
B)  Choose this if the first item is less than the second item.
C)  Choose this if the first item is equal or nearly equal to the second item.D) A) and B)
E) A) and C)

Question 5

Match the process or term with the best description.
-deglutition

Accepted Answer

A)  swallowing
B)  chewing
C)  ball of food
D)  semifluid material
E)  phagocytosisF) D) and E)
G) A) and E)

Question 6

Anticipation of eating food causes an increase in secretion of gastric juice. This phase of gastric secretion is called the _____ phase.

Accepted Answer

A)   cephalic
B)   gastric
C)   intestinal
D)   pancreatic
E)   consciousF) All of the above
G) A) and B)

Question 7

Match the organ with the function.
-large intestines

Accepted Answer

A)  produces bile
B)  stores and concentrates bile
C)  primary site of chemical digestion
D)  produces intrinsic factor
E)  bacterial decompositionF) B) and D)
G) B) and C)

Question 8

Which of the following is correctly matched?

Accepted Answer

A)   mucosa - controls peristalsis
B)   serosa - contains an extensive supply of nerves and blood vessels
C)   submucosa - lamina propria
D)   serosa - increased surface area
E)   muscularis - responsible for peristalsisF) All of the above
G) B) and C)

Question 9

Enzymes that digest carbohydrates include

Accepted Answer

A)   peptidases.
B)   amylase, maltase, and sucrase.
C)   lipase.
D)   maltase and lipase.
E)   trypsin and chymotrypsin.F) B) and C)
G) C) and D)

Question 10

The liver

Accepted Answer

A)   has two major lobes - caudate and quadrate.
B)   is located on the superior surface of the diaphragm.
C)   is not vascular.
D)   is located in the left upper quadrant of the abdomen.
E)   consists of two major lobes and two minor lobes.F) A) and B)
G) All of the above

Question 11

What is the function of enteric sensory neurons?

Accepted Answer

A)   detect changes in chemical composition of digestive tract contents
B)   stimulate or inhibit smooth muscle contraction in the digestive tract
C)   stimulate or inhibit glandular secretion in the digestive tract
D)   detect stretch of the digestive tract wall
E)   detect changes in chemical composition of digestive tract contents and detect stretch of the digestive tract wallF) A) and D)
G) B) and E)

Question 12

Reflux of gastric contents into the esophagus occurs because of

Accepted Answer

A)   relaxation of the cardiac sphincter.
B)   contraction of the pyloric sphincter.
C)   spasms of the submucosal layer of the stomach wall.
D)   increased hydrochloric acid production by the parietal cells.
E)   increased amounts of mucous produced by the stomach.F) None of the above
G) A) and B)

Question 13

Which of the following are secreted by the stomach?

Accepted Answer

A)   amylase and lipase
B)   pepsinogen and intrinsic factor
C)   bile and lipase
D)   trypsin and amylase
E)   bicarbonate and secretinF) B) and E)
G) B) and D)

Question 14

Match the enzyme with the products of its digestive activity.
-pancreatic lipase

Accepted Answer

A)  glucose and galactose
B)  amino acids
C)  fatty acids and glycerol
D)  maltose and isomaltose
E)  polysaccharides and disaccharidesF) C) and D)
G) C) and E)

Question 15

Where does the majority of nutrient absorption occur?

Accepted Answer

A)   the stomach and duodenum
B)   the duodenum and ileum
C)   the jejunum and duodenum
D)   the ileum and jejunumE) A) and B)
F) A) and C)

Question 16

Which of the following is a function of the hepatocytes?

Accepted Answer

A)   produce digestive enzymes
B)   synthesize hormones
C)   produce hydrochloric acid
D)   synthesize bile
E)   regulate pHF) D) and E)
G) A) and C)

Question 17

The movement of molecules out of the digestive tract into circulation or the lymphatic system is

Accepted Answer

A)   secretion.
B)   peristalsis.
C)   chemical digestion.
D)   absorption.E) B) and D)
F) All of the above

Question 18

Which of the following is the correct order for the phases of deglutition?

Accepted Answer

A)   pharyngeal, voluntary, esophageal
B)   esophageal, pharyngeal, voluntary
C)   voluntary, pharyngeal, esophageal
D)   voluntary, esophageal, pharyngealE) All of the above
F) B) and D)

Question 19

Which of the following is NOT a necessary function of the tongue?

Accepted Answer

A)   swallowing
B)   chewing
C)   taste
D)   speechE) B) and C)
F) A) and D)

Question 20

-The diagram illustrates the anatomy of the stomach. What does "D" represent?

Accepted Answer

A)   muscularis
B)   duodenum
C)   esophagus
D)   pyloric sphincter
E)   cardiac partF) A) and D)
G) None of the above

Exam 24: Digestive System

Where does the majority of nutrient absorption occur?

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Which of the following is correctly matched?

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Which of the following is the correct order for the phases of deglutition?

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Match the process or term with the best description. -deglutition

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The liver

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What is the function of enteric sensory neurons?

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-The diagram illustrates the anatomy of the stomach. What does "D" represent?

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The movement of molecules out of the digestive tract into circulation or the lymphatic system is

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Which of the following is a function of the hepatocytes?

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Reflux of gastric contents into the esophagus occurs because of

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Use the key to choose the best answer. -(1) amount of bicarbonate in the aqueous component of pancreatic juice; (2) amount of bicarbonate in the enzymatic portion of pancreatic juice

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Match the enzyme with the products of its digestive activity. -pancreatic lipase

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-The diagram illustrates the anatomy of the stomach. What does "B" represent?

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Match the organ with the function. -large intestines

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Which of the following is NOT a necessary function of the tongue?

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Match the secretion with the correct cell type. -hydrochloric acid

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Enzymes that digest carbohydrates include

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Blockage of the ileocecal valve would prevent

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Anticipation of eating food causes an increase in secretion of gastric juice. This phase of gastric secretion is called the _____ phase.

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Which of the following are secreted by the stomach?

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