Question 1

In general, the parasympathetic nervous system is ____________________ to the digestive tract, whereas the sympathetic nervous system is ____________________.

Accepted Answer

excitatory...

Question 2

Match gastric cell with correct characteristic.
-Secrete intrinsic factor.

Accepted Answer

A)  chief cells
B)  parietal cells
C)  mucous cells
D)  G cells of PGAE) B) and D)
F) None of the above

Question 3

The major chemical digestive activity occurring in the stomach is

Accepted Answer

A)   digestion of starch.
B)   digestion of protein.
C)   digestion of fat.
D)   absorption of monosaccharides.
E)   digestion of vitamins.F) A) and E)
G) B) and C)

Question 4

The intestinal hormone secretin is released by endocrine cells in the duodenal mucosa in response to

Accepted Answer

A)   distention of the stomach.
B)   carbohydrate in the duodenum.
C)   acid in the duodenum.
D)   gastrin secreted by the pyloric gland area of the stomach.
E)   none of these answers.F) A) and E)
G) All of the above

Question 5

Match digestive enzyme with correct characteristic.
-Besides trypsin is a proteolytic enzyme.

Accepted Answer

A)  amylase.
B)  trypsin
C)  chymotrypsin
D)  lipaseE) A) and B)
F) All of the above

Question 6

The enteric nervous system

Accepted Answer

A)   includes the myenteric plexus.
B)   includes the submucosal plexus.
C)   includes vagal nerve efferents.
D)   both (a)  and (b)  above.
E)   both (a)  and (c)  above.F) A) and B)
G) B) and D)

Question 7

The stomach performs all of the following except:

Accepted Answer

A)   stores ingested food
B)   secretes HCl
C)   secretes enzymes that begin protein digestion
D)   converts chewed food into a thick, liquid paste called chyme
E)   allows digested material to move quickly into the duodenumF) D) and E)
G) A) and B)

Question 8

Which of the following is absorbed receptor mediated endocytosis in the terminal ileum?

Accepted Answer

A)   fatty acids and monoglycerides.
B)   bile.
C)   vitamin B12
D)   amino acids.
E)   all of these answers.F) All of the above
G) B) and D)

Question 9

Match gastric cell with correct characteristic.
-Secrete pepsinogen.

Accepted Answer

A)  chief cells
B)  parietal cells
C)  mucous cells
D)  G cells of PGAE) C) and D)
F) All of the above

Question 10

Where is digestion completed?

Accepted Answer

A)   stomach.
B)   small intestine lumen.
C)   on the brush borders of the small intestine epithelial cells.
D)   colon.
E)   rectum.F) None of the above
G) B) and C)

Question 11

Which of the following statements concerning the colon is correct?

Accepted Answer

A)   The colon has as much absorptive capacity as the small intestine.
B)   The final stages of carbohydrate and protein digestion occur in the colon.
C)   Colonic movements are slower than those in the small intestine.
D)   two of these answers.
E)   all of these answers.F) A) and B)
G) B) and E)

Question 12

Indicate the stimulus for the item in question by writing the appropriate letter in the blank using the following answer code.
-Stimulates secretion of CCK.

Accepted Answer

A)  fat in the duodenum
B)  acid in the duodenum
C)  acid in the stomach
D)  protein in the stomachE) None of the above
F) A) and B)

Question 13

Gastric mixing takes place primarily in the antrum of the stomach.

Accepted Answer

A) True 
 B)False

Question 14

MATCHING
Match control mechanism with characteristic.
-includes CCK and GIP

Accepted Answer

A)  autonomous smooth muscle function
B)  extrinsic (autonomic)  nerves
C)  hormones
D)  intrinsic nerve plexusesE) A) and D)
F) A) and C)

Question 15

The large intestine consists of the duodenum, jejunum, and ileum.

Accepted Answer

A) True 
 B)False

Question 16

Bilirubin does not play a role in digestion but is a waste products excreted in the bile.

Accepted Answer

A) True 
 B)False

Question 17

MATCHING: ART
  
The accompanying figure relates to lipid digestion and absorption. Match the steps highlighted in the figure (steps 1-8)  with the statements using the letter key below.
-Chylomicrons exit cell by exocytosis

Accepted Answer

A)  Step 1
B)  Step 2
C)  Step 3
D)  Step 4
E)  Step 5F) Step 6G) Step 7H) Step 8I) A) and C)
J) E) and F)

Question 18

____________ are liver cells that secrete bile.

Accepted Answer

The answer of ____________ are liver cells that secrete bile....

Question 19

The following series of 5 questions refer to the accompanying diagram of pathways controlling digestive function. Use the diagram to help answer the questions. 
-Changes in digestive function related to GIP and Gastrin are associated with:

Accepted Answer

A)   external influences
B)   local changes in the digestive tract
C)   intrinsic nerve plexus
D)   extrinsic autonomic nerves
E)   gastrointestinal hormonesF) A) and C)
G) D) and E)

Question 20

As food moves into the esophagus from the mouth:

Accepted Answer

A)   peristaltic contractions move food toward the stomach
B)   gravity assists peristaltic contractions to move food toward the stomach
C)   smooth muscle contractions end
D)   digestive enzymes are secreted by the lining of the esophagus
E)   the gastroesophageal sphincter remains closedF) B) and E)
G) A) and B)

Exam 15: The Digestive System

As food moves into the esophagus from the mouth:

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In general, the parasympathetic nervous system is ____________________ to the digestive tract, whereas the sympathetic nervous system is ____________________.

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The large intestine consists of the duodenum, jejunum, and ileum.

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The intestinal hormone secretin is released by endocrine cells in the duodenal mucosa in response to

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MATCHING Match control mechanism with characteristic. -includes CCK and GIP

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The stomach performs all of the following except:

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Match gastric cell with correct characteristic. -Secrete pepsinogen.

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The major chemical digestive activity occurring in the stomach is

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____________ are liver cells that secrete bile.

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Where is digestion completed?

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Match gastric cell with correct characteristic. -Secrete intrinsic factor.

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Bilirubin does not play a role in digestion but is a waste products excreted in the bile.

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MATCHING: ART The accompanying figure relates to lipid digestion and absorption. Match the steps highlighted in the figure (steps 1-8) with the statements using the letter key below. -Chylomicrons exit cell by exocytosis

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The enteric nervous system

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Indicate the stimulus for the item in question by writing the appropriate letter in the blank using the following answer code. -Stimulates secretion of CCK.

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The following series of 5 questions refer to the accompanying diagram of pathways controlling digestive function. Use the diagram to help answer the questions. -Changes in digestive function related to GIP and Gastrin are associated with:

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Match digestive enzyme with correct characteristic. -Besides trypsin is a proteolytic enzyme.

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Which of the following statements concerning the colon is correct?

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Which of the following is absorbed receptor mediated endocytosis in the terminal ileum?

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Gastric mixing takes place primarily in the antrum of the stomach.

Correct AnswerverifiedShow Answer

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In general, the parasympathetic nervous system is to the digestive tract, whereas the sympathetic nervous system is .

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