Question 1

Teeth in adults

Accepted Answer

A)   are replaced by osteoblast activity if they are extracted.
B)   are distributed so that there is one canine tooth in each half jaw.
C)   are all of the same type - molars.
D)   are composed of living cells called enamel cells.
E)   do not play a role in speech.F) B) and C)
G) B) and E)

Question 2

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) A) and C)
G) C) and D)

Question 3

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

Accepted Answer

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

Question 4

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

Accepted Answer

A)  swallowing
B)  chewing
C)  ball of food
D)  semifluid material
E)  phagocytosisF) A) and E)
G) C) and E)

Question 5

Pepsinogen

Accepted Answer

A)   is secreted by parietal cells.
B)   is activated by salivary amylase in swallowed food.
C)   is packaged in zymogen granules.
D)   operates optimally at a pH of 5 or more.
E)   helps to form peptide bonds.F) C) and D)
G) A) and D)

Question 6

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

Question 7

Strong peristaltic contractions in the large intestine are called

Accepted Answer

A)   segmental contractions.
B)   churning contractions.
C)   mass movements.
D)   rectal propulsions.
E)   defecation.F) A) and B)
G) A) and C)

Question 8

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) All of the above
G) None of the above

Question 9

Which of the following cell types is correctly matched with its function?

Accepted Answer

A)   endocrine cells - produce mucus
B)   absorptive cells - produce digestive enzymes
C)   granular cells - absorb nutrients
D)   goblet cells - produce hormones
E)   granular cells - produce granulesF) A) and E)
G) B) and E)

Question 10

Which of the following are effects of aging on the digestive system?

Accepted Answer

A)   blood supply decreases
B)   more likely to develop ulcerations and cancers
C)   enamel on teeth becomes thinner
D)   blood supply decreases and more likely to develop ulcerations and cancers.
E)   blood supply decreases, more likely to develop ulcerations and cancers and enamel on teeth becomes thinner.F) All of the above
G) B) and C)

Question 11

The pyloric pump

Accepted Answer

A)   mixes stomach contents for digestion.
B)   causes hunger contractions.
C)   moves chyme through a partially closed pyloric opening.
D)   causes rugae to flatten.
E)   opens the pyloric sphincter completely.F) C) and D)
G) B) and E)

Question 12

Which of the following is an end product of protein digestion?

Accepted Answer

A)   glucose
B)   amino acids
C)   LDL molecules
D)   micelles
E)   nucleic acidsF) A) and E)
G) A) and C)

Question 13

Arrange the following in proper sequence: (1)  digestion
(2)  elimination
(3)  ingestion
(4)  absorption

Accepted Answer

A)   3, 4, 2, 1
B)   1, 4, 3, 2
C)   4, 1, 2, 3
D)   3, 4, 1, 2
E)   3, 1, 4, 2F) None of the above
G) B) and D)

Question 14

Intrinsic factor

Accepted Answer

A)   increases gastric motility.
B)   causes the release of stomach acid.
C)   facilitates the absorption of vitamin B12.
D)   protects the stomach lining from the effects of stomach acid.
E)   stimulates the synthesis of DNA.F) C) and D)
G) B) and C)

Question 15

Food is prevented from entering the nasal cavity during swallowing by the

Accepted Answer

A)   epiglottis.
B)   palatine tonsils.
C)   tongue.
D)   soft palate.
E)   hard palate.F) D) and E)
G) A) and B)

Question 16

Chylomicrons

Accepted Answer

A)   are synthesized in intestinal epithelial cells.
B)   enter capillaries in the small intestine.
C)   help emulsify fats.
D)   are a rich source of carbohydrate.
E)   are synthesized in the lumen of the small intestines.F) D) and E)
G) All of the above

Question 17

A large amount of fat accumulates in the

Accepted Answer

A)   greater omentum.
B)   lesser omentum.
C)   coronary ligament.
D)   sigmoid mesocolon.
E)   visceral peritoneum.F) A) and E)
G) D) and E)

Question 18

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

Question 19

Cholecystokinin is produced by endocrine cells of the

Accepted Answer

A)   stomach.
B)   small intestine.
C)   pancreas.
D)   large intestine.
E)   liver.F) B) and D)
G) A) and E)

Question 20

Which of the following is located closest to the rectum?

Accepted Answer

A)   ascending colon
B)   descending colon
C)   transverse colon
D)   sigmoid colon
E)   cecumF) None of the above
G) A) and E)

Exam 24: Digestive System

Intrinsic factor

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Food is prevented from entering the nasal cavity during swallowing by the

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Teeth in adults

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The pyloric pump

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Which of the following is an end product of protein digestion?

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Strong peristaltic contractions in the large intestine are called

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

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Chylomicrons

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

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Arrange the following in proper sequence: (1) digestion (2) elimination (3) ingestion (4) absorption

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Cholecystokinin is produced by endocrine cells of the

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Pepsinogen

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A large amount of fat accumulates in the

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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

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

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Which of the following statements regarding the pancreas is true?

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Which of the following is located closest to the rectum?

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Which of the following are effects of aging on the digestive system?

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

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Which of the following cell types is correctly matched with its function?

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