Question 1

The longitudinal layer of smooth muscle in the large intestinal wall forms three bands called the

Accepted Answer

A)   teniae coli.
B)   haustra.
C)   coli longitudini.
D)   omental appendages.
E)   rugae.F) A) and E)
G) C) and E)

Question 2

Match the organ with the appropriate function.
-pharynx

Accepted Answer

A)  secretion of saliva
B)  manipulation of food
C)  swallowing
D)  storage of bile
E)  protection of small intestinal wallF) B) and D)
G) A) and B)

Question 3

Which of the following will stimulate intestinal motility?

Accepted Answer

A)   distension of the intestinal wall
B)   low pH
C)   presence of amino acids
D)   All of the choices will stimulate intestinal motilityE) B) and C)
F) None of the above

Question 4

Which of the following is NOT part of a portal triad?

Accepted Answer

A)   hepatic artery
B)   hepatic duct
C)   hepatic portal vein
D)   central veinE) A) and B)
F) A) and C)

Question 5

Match the secretion with the correct cell type.
-gastrin

Accepted Answer

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

Question 6

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 E)
G) C) and E)

Question 7

Which of the following pairs is mismatched?

Accepted Answer

A)   crown - enamel
B)   root - root canal
C)   alveoli - periodontal ligament
D)   pulp cavity - cementum
E)   apical foramen - blood supplyF) B) and E)
G) A) and E)

Question 8

Why doesn't the stomach digest itself?

Accepted Answer

A)   The stomach wall lacks proteins so enzymes won't attack it.
B)   The digestive enzymes in the stomach aren't efficient enough.
C)   The stomach lining is too tough to be digested.
D)   The stomach wall is protected by large amounts of mucus.
E)   The stomach is protected by HCl.F) B) and E)
G) C) and D)

Question 9

-The diagram illustrates an absorptive structure in the duodenum. What does "E" represent?

Accepted Answer

A)   microvilli
B)   epithelial cell
C)   capillary
D)   lacteal
E)   villusF) None of the above
G) A) and E)

Question 10

The lips, cheek, and tongue all aid in

Accepted Answer

A)   speech and swallowing.
B)   mastication, speech, and swallowing.
C)   mastication and swallowing.
D)   mastication and sense of taste.
E)   deglutition and peristalsis.F) C) and D)
G) All of the above

Question 11

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) None of the above
G) B) and C)

Question 12

The enteric plexus

Accepted Answer

A)   is found in the mucosa
B)   consists of the myenteric plexus and the ciliac plexus
C)   helps control movement and secretions of the digestive tract
D)   contains parasympathetic neurons
E)   helps control movement and secretions of the digestive tract and contains parasympathetic neuronsF) C) and D)
G) B) and E)

Question 13

The enteric plexus

Accepted Answer

A)   is found in the mucosa.
B)   consists of the myenteric plexus and the celiac plexus.
C)   contains sympathetic neurons and fibers.
D)   controls movement and secretion of the digestive tract.
E)   is a valve in the GI tract.F) A) and C)
G) D) and E)

Question 14

The hepatopancreatic ampulla is formed by the union of the

Accepted Answer

A)   pancreatic duct with the lacteals.
B)   greater duodenal papilla with the lesser duodenal papilla.
C)   common bile duct and pancreatic duct.
D)   cystic duct and interlobular duct.
E)   hepatic ducts and cystic ducts.F) A) and B)
G) B) and E)

Question 15

Match the secretion with the correct cell type.
-mucus

Accepted Answer

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

Question 16

Match the enzyme with the products of its digestive activity.
-salivary amylase

Accepted Answer

A)  glucose and galactose
B)  amino acids
C)  fatty acids and glycerol
D)  maltose and isomaltose
E)  polysaccharides and disaccharidesF) A) and E)
G) None of the above

Question 17

Match the organ with the function.
-gall bladder

Accepted Answer

A)  produces bile
B)  stores and concentrates bile
C)  primary site of chemical digestion
D)  produces intrinsic factor
E)  bacterial decompositionF) None of the above
G) B) and E)

Question 18

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) C) and D)
G) B) and D)

Question 19

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

Accepted Answer

A)  salivary glands
B)  stomach
C)  liver
D)  small intestine
E)  pancreasF) None of the above
G) B) and E)

Question 20

Match the cell type with its function.
-granular cells

Accepted Answer

A)  produce hormones
B)  produce mucus
C)  may protect intestinal epithelium
D)  synthesize bile
E)  produce digestive enzymesF) B) and C)
G) D) and E)

Exam 24: Digestive System

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

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The longitudinal layer of smooth muscle in the large intestinal wall forms three bands called the

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Which of the following will stimulate intestinal motility?

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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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Why doesn't the stomach digest itself?

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Match the organ with the function. -gall bladder

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Match the enzyme with the products of its digestive activity. -salivary amylase

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Match the secretion with the correct cell type. -gastrin

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Which of the following is NOT part of a portal triad?

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The enteric plexus

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The lips, cheek, and tongue all aid in

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-The diagram illustrates an absorptive structure in the duodenum. What does "E" represent?

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Which of the following pairs is mismatched?

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The enteric plexus

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

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Match the organ with the appropriate function. -pharynx

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Match the secretion with the correct cell type. -mucus

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The hepatopancreatic ampulla is formed by the union of the

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Match the cell type with its function. -granular cells

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Which of the following enzymes is mismatched with its substrate?

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