Question 1

Diffusion and active transport are likely to be important in

Accepted Answer

A)   mastication of food.
B)   absorption of food.
C)   elimination of undigested food.
D)   propulsion of food through the digestive tract.
E)   mixing of food.F) B) and D)
G) A) and B)

Question 2

Abdominal organs that lie against the body wall and have no mesenteries are said to be

Accepted Answer

A)   retroperitoneal.
B)   antiperitoneal.
C)   falciperitoneal.
D)   hyperperitoneal.
E)   mesoperitoneal.F) B) and C)
G) All of the above

Question 3

Which of the following is NOT a type of propulsion in the digestive tract?

Accepted Answer

A)   peristalsis
B)   mass movement
C)   deglutition
D)   segmental contractionE) A) and C)
F) A) and B)

Question 4

The anal canal

Accepted Answer

A)   begins at the sigmoid colon and ends at the rectum.
B)   has an internal sphincter composed of smooth muscle.
C)   contains many goblet cells.
D)   contains tubular glands called crypts.
E)   has an external sphincter composed of smooth muscle.F) A) and B)
G) All of the above

Question 5

-What does "A" represent on the diagram?

Accepted Answer

A)   small intestine
B)   large intestine
C)   esophagus
D)   stomach
E)   liverF) None of the above
G) A) and B)

Question 6

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

Accepted Answer

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

Question 7

What is found in an intestinal villus?

Accepted Answer

A)   brush border
B)   digestive enzymes
C)   blood capillaries and a lacteal
D)   Peyer patches and a lactealE) None of the above
F) C) and D)

Question 8

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

Accepted Answer

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

Question 9

Match the organ with the function.
-liver

Accepted Answer

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

Question 10

Which part of the pharynx is NOT involved with food transport?

Accepted Answer

A)   nasopharynx
B)   oropharynx
C)   laryngopharynx
D)   All the the choices are involved with food transportE) A) and B)
F) A) and D)

Question 11

Match the enzyme with the products of its digestive activity.
-lactase

Accepted Answer

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

Question 12

Which of the following statements regarding the pancreas is true?

Accepted Answer

A)   The head of the pancreas lies in the curvature of the ileum.
B)   The pancreatic duct carries both enzymes and hormones.
C)   The pancreatic acinar cells secrete digestive enzymes.
D)   The pancreas assists the stomach in the absorption of digested food.
E)   The pancreas digests sugar.F) B) and D)
G) B) and C)

Question 13

Match the mesenteries or membranes with its appropriate description.
-mesentery proper

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

Question 14

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

Accepted Answer

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

Question 15

Match the function with its appropriate description.
-chemical digestion

Accepted Answer

A)  movement of molecules from digestive tract into blood
B)  chewing of food
C)  muscular contractions that propel food
D)  removal of undigested wastes from body
E)  breakdown of organic molecules with digestive enzymesF) C) and D)
G) A) and E)

Question 16

-The figure illustrates bile drainage. What does "E" represent?

Accepted Answer

A)   hepatopancreatic ampulla
B)   pancreatic duct
C)   common hepatic duct
D)   common bile duct
E)   cystic ductF) B) and C)
G) None of the above

Question 17

Feces consist of

Accepted Answer

A)   water.
B)   undigestible food.
C)   bacteria.
D)   sloughed-off epithelial cells.
E)   All of these are found in feces.F) B) and D)
G) A) and D)

Question 18

Which of the following is associated with the tongue?

Accepted Answer

A)   uvula
B)   constrictor muscles
C)   papillae and taste buds
D)   periodontal ligament
E)   faucesF) D) and E)
G) A) and B)

Question 19

What keeps the bolus from entering the larynx during deglutition?

Accepted Answer

A)   the epiglottis
B)   the uvula
C)   the tongue
D)   the upper esophageal sphincterE) None of the above
F) A) and D)

Question 20

What is the main stimulus for bile secretion from the gallbladder?

Accepted Answer

A)   cholecystokinin
B)   vagal stimulation
C)   secretin
D)   large amounts of protein in the chymeE) A) and B)
F) B) and C)

Exam 24: Digestive System

What is the main stimulus for bile secretion from the gallbladder?

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

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-The figure illustrates bile drainage. What does "E" represent?

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What is found in an intestinal villus?

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Diffusion and active transport are likely to be important in

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-What does "A" represent on the diagram?

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The anal canal

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Feces consist of

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Which of the following is NOT a type of propulsion in the digestive tract?

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Which of the following is associated with the tongue?

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Abdominal organs that lie against the body wall and have no mesenteries are said to be

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Which of the following statements regarding the pancreas is true?

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

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Match the mesenteries or membranes with its appropriate description. -mesentery proper

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

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What keeps the bolus from entering the larynx during deglutition?

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Match the enzyme with the products of its digestive activity. -lactase

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Which part of the pharynx is NOT involved with food transport?

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Match the function with its appropriate description. -chemical digestion

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Match the organ with the function. -liver

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