Question 1

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

Accepted Answer

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

Question 2

Match the process or term with the best description.
-Kupffer cells

Accepted Answer

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

Question 3

Segmental contractions are mixing contractions that occur predominantly in the _________________.

Accepted Answer

A)  oral cavity
B)  large intestine
C)  esophagus
D)  stomach
E)  small intestineF) A) and B)
G) D) and E)

Question 4

The pancreatic islets

Accepted Answer

A)  are found in the wall of the stomach.
B)  excrete mucus.
C)  produce digestive enzymes.
D)  are exocrine glands.
E)  are endocrine glands.F) None of the above
G) A) and B)

Question 5

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) C) and D)
F) A) and B)

Question 6

Why does the superior part of the esophagus contain skeletal muscle instead of smooth muscle?

Accepted Answer

A)  The first phase of swallowing is under involuntary control.
B)  The second phase of swallowing is under voluntary control.
C)  The first phase of swallowing is under voluntary control.
D)  The second phase of swallowing is under involuntary control.E) A) and B)
F) A) and C)

Question 7

A proteolytic enzyme secreted by the pancreas is

Accepted Answer

A)  ribonuclease.
B)  chymotrypsin.
C)  amylase.
D)  enterogastrone.
E)  pancreatic lipase.F) B) and E)
G) A) and D)

Question 8

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) C) and D)
G) All of the above

Question 9

The intestinal phase of gastric secretion

Accepted Answer

A)  is controlled by the entrance of acidic chyme into the duodenum.
B)  leads to increased gastric secretion if duodenal pH falls below 2.
C)  only stimulates gastric secretion.
D)  will decrease gastric secretion when gastrin is released by the duodenum.
E)  is controlled by the entrance of alkaline material into the small intestines.F) C) and D)
G) A) and B)

Question 10

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) B) and C)

Question 11

When chyme enters the duodenum,____ is released and stimulates the pancreas to secrete bicarbonates.

Accepted Answer

A)  gastrin
B)  secretin
C)  insulin
D)  cholecystokinin
E)  glucagonF) None of the above
G) A) and D)

Question 12

Arrange the following in order from largest to smallest: (1) dipeptide
(2) protein
(3) amino acid
(4) polypeptide

Accepted Answer

A)  3,1,4,2
B)  4,1,2,3
C)  2,4,1,3
D)  1,2,3,4
E)  2,4,3,1F) B) and E)
G) A) and B)

Question 13

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 D)
G) D) and E)

Question 14

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

Accepted Answer

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

Question 15

Which of the following is NOT a function of the stomach?

Accepted Answer

A)  storage
B)  protein digestion
C)  absorption of aspirin
D)  segmental contractionsE) All of the above
F) A) and D)

Question 16

The muscularis layer in the wall of the digestive tract is

Accepted Answer

A)  skeletal muscle throughout the tract,especially in the large intestine.
B)  the layer of the digestive tract wall that contains capillaries.
C)  in direct contact with the food that is consumed.
D)  composed of a layer of circular smooth muscle fibers and a layer of longitudinal smooth muscle fibers.
E)  connective tissue and the peritoneum.F) B) and E)
G) B) and C)

Question 17

Most of the water that enters that digestive tract is removed by the body in urine.

Accepted Answer

A) True 
 B)False

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

Question 19

Match the function with its appropriate description.
-absorption

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 B)

Question 20

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

Exam 24: Digestive System

Match the process or term with the best description. -Kupffer cells

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A proteolytic enzyme secreted by the pancreas is

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The muscularis layer in the wall of the digestive tract is

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The intestinal phase of gastric secretion

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Match the function with its appropriate description. -absorption

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Why does the superior part of the esophagus contain skeletal muscle instead of smooth muscle?

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

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Which of the following is associated with the tongue?

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Why doesn't the stomach digest itself?

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Most of the water that enters that digestive tract is removed by the body in urine.

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Match the function with its appropriate description. -chemical digestion

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Which of the following is NOT a function of the stomach?

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Segmental contractions are mixing contractions that occur predominantly in the _________________.

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When chyme enters the duodenum,____ is released and stimulates the pancreas to secrete bicarbonates.

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Diffusion and active transport are likely to be important in

Correct AnswerverifiedShow Answer

Which of the following will stimulate intestinal motility?

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

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Blockage of the ileocecal valve would prevent

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The pancreatic islets

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Arrange the following in order from largest to smallest: (1) dipeptide (2) protein (3) amino acid (4) polypeptide

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