Question 1

Bile secretion is

Accepted Answer

A)  performed continuously by the liver.
B)  is stimulated by sympathetic nerves.
C)  is stimulated by decreased amounts of bile salts.
D)  stimulated by increased vitamin B12 storage.
E)  controlled by the gallbladder.F) A) and D)
G) A) and B)

Question 2

Match the mesenteries or membranes with its appropriate description.
-visceral peritoneum

Accepted Answer

A)  mesentery of the small intestine
B)  serous membrane that covers organs
C)  attaches the liver to the diaphragm
D)  connects lesser curvature of stomach to the liver
E)  mesentery of the colonF) All of the above
G) A) and B)

Question 3

The enteric plexus is composed of the _________ and the __________.

Accepted Answer

A)  submucosal plexus; myenteric plexus
B)  submucosal plexus; colonic plexus
C)  myenteric plexus; pancreatic portal
D)  submucosal plexus; pancreatic portal
E)  colonic plexus; pancreatic plexusF) A) and C)
G) C) and D)

Question 4

Which of the following enzymes is mismatched with its substrate?

Accepted Answer

A)  pepsin - protein
B)  amylase - starch
C)  trypsin - nucleic acids
D)  lipase - fat
E)  deoxyribonucleases - DNAF) A) and B)
G) A) and C)

Question 5

Match the enzyme or hormone with the organ that produces it.
-salivary amylase

Accepted Answer

A)  salivary glands
B)  stomach
C)  liver
D)  small intestine
E)  pancreasF) C) and D)
G) A) and D)

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) B) and C)
G) A) and B)

Question 7

Which of the following is NOT a function of the small intestine?

Accepted Answer

A)  mastication of food
B)  absorption of nutrients
C)  complete digestion of food
D)  mixing by segmental contractionsE) All of the above
F) A) and D)

Question 8

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) D) and E)
G) A) and B)

Question 9

What is the function of the intrinsic muscles of the tongue?

Accepted Answer

A)  sticking the tongue out
B)  moving the tongue side to side
C)  changing the tongue shape during swallowing
D)  retracting the tongueE) B) and D)
F) A) and C)

Question 10

Where does bile enter the duodenum?

Accepted Answer

A)  cystic duct
B)  hepatopancreatic ampulla
C)  hepatic duct
D)  duodenal ampullaE) A) and D)
F) B) and C)

Question 11

Which layer of the small intestine wall contains cells with microvilli?

Accepted Answer

A)  submucosa
B)  mucosa
C)  muscularis
D)  serosa
E)  adventitiaF) A) and B)
G) A) and C)

Question 12

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

Accepted Answer

A)  swallowing
B)  chewing
C)  taste
D)  speechE) All of the above
F) A) and D)

Question 13

Match the mesenteries or membranes with its appropriate description.
-lesser omentum

Accepted Answer

A)  mesentery of the small intestine
B)  serous membrane that covers organs
C)  attaches the liver to the diaphragm
D)  connects lesser curvature of stomach to the liver
E)  mesentery of the colonF) C) and D)
G) A) and E)

Question 14

The villi,microvilli and plicae circularis function to

Accepted Answer

A)  liberate hormones.
B)  promote peristalsis.
C)  produce bile.
D)  increase surface area for absorption.
E)  stimulate chemical digestion.F) B) and D)
G) A) and D)

Question 15

Match the secretion with the correct cell type.
-gastrin

Accepted Answer

A)  endocrine cells
B)  hepatocyte
C)  parietal cells
D)  acinar cells
E)  goblet cells,F) A) and E)
G) A) and D)

Question 16

If the thoracic duct were tied off,which of the following classes of nutrients would not enter the circulatory system at their normal rate?

Accepted Answer

A)  amino acids
B)  glucose
C)  lipids
D)  disaccharides
E)  monosaccharidesF) D) and E)
G) All of the above

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 C)
F) None of the above

Question 18

Match the disorder with the best description.
-diarrhea

Accepted Answer

A)  inflammation of the liver
B)  watery feces
C)  bad breath
D)  enlargement or inflammation of the vein of the anal canal
E)  chronic acid in the esophagus,F) C) and D)
G) A) and B)

Question 19

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

Accepted Answer

A)  swallowing
B)  chewing
C)  ball of food
D)  semifluid material
E)  phagocytosis,F) D) and E)
G) A) and D)

Question 20

Match the secretion with the correct cell type.
-bile

Accepted Answer

A)  endocrine cells
B)  hepatocyte
C)  parietal cells
D)  acinar cells
E)  goblet cells,F) B) and D)
G) B) and E)

Exam 24: Digestive System

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

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Where does bile enter the duodenum?

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Bile secretion is

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

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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. -bile

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Match the secretion with the correct cell type. -gastrin

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The enteric plexus is composed of the _________ and the __________.

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The villi,microvilli and plicae circularis function to

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Enzymes that digest carbohydrates include

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Which layer of the small intestine wall contains cells with microvilli?

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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.

Correct AnswerverifiedShow Answer

If the thoracic duct were tied off,which of the following classes of nutrients would not enter the circulatory system at their normal rate?

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Which of the following enzymes is mismatched with its substrate?

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What is the function of the intrinsic muscles of the tongue?

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Match the mesenteries or membranes with its appropriate description. -lesser omentum

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Match the mesenteries or membranes with its appropriate description. -visceral peritoneum

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Match the enzyme or hormone with the organ that produces it. -salivary amylase

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Which of the following is NOT a function of the small intestine?

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Match the disorder with the best description. -diarrhea

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The enteric plexus is composed of the _ and the __.

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