Question 1

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

Accepted Answer

A)   mucous cells - produce intrinsic factor
B)   parietal cells - produce hydrochloric acid
C)   chief cells - produce mucus
D)   endocrine cells - produce enzymes
E)   chief cells - produce hormonesF) A) and D)
G) All of the above

Question 2

The formation of HCl in the stomach involves the

Accepted Answer

A)   active transport of hydrogen ions from parietal cells into the lumen of the stomach.
B)   exchange of sodium ions for hydrogen ions in the transport process.
C)   active transport of chloride ions from parietal cells into the lumen of the stomach.
D)   exchange of sodium and bicarbonate ions.
E)   the combination of carbon dioxide and water.F) A) and B)
G) B) and D)

Question 3

Which digestive activity is NOT correctly matched to its location?

Accepted Answer

A)   killing microorganisms with lysozyme - stomach
B)   digestion of carbohydrates - mouth
C)   absorption of nutrients - small intestine
D)   production of mucus - esophagusE) A) and B)
F) A) and C)

Question 4

Match the organ with the appropriate function.
-lips and cheeks

Accepted Answer

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

Question 5

The role of acetylcholine in the digestive tract is to _________, while the role of norepinephrine is to ______.

Accepted Answer

A)   stimulate, stimulate
B)   stimulate, inhibit
C)   inhibit, inhibit
D)   inhibit, stimulateE) All of the above
F) B) and D)

Question 6

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

Accepted Answer

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

Question 7

Beginning at the lumen, the sequence of layers of the digestive tract wall is

Accepted Answer

A)   submucosa, mucosa, serous membrane, muscularis.
B)   muscularis, lamina propria, submucosa, mucosa.
C)   mucosa, submucosa, muscularis, serosa.
D)   peritoneum, submucosa, mucosa, lamina propria.
E)   submucosa, mucosa, adventitia, muscularis.F) A) and B)
G) B) and D)

Question 8

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 D)

Question 9

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

Question 10

Insulin increases the rate of _____ transport into cells.

Accepted Answer

A)   sucrose
B)   fructose
C)   glucose
D)   galactose
E)   lactoseF) A) and B)
G) A) and C)

Question 11

A blockage in the colon where the ascending colon turns to become the transverse colon would occur at the

Accepted Answer

A)   ileocecal valve.
B)   hepatic flexure.
C)   splenic flexure.
D)   cardiac sphincter.
E)   gastric flexure.F) A) and B)
G) A) and C)

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

Salivary gland secretion is primarily controlled by the

Accepted Answer

A)   facial and glossopharyngeal nerves.
B)   vagus nerve.
C)   taste centers of the medulla.
D)   intercostal nerves.
E)   trigeminal nerve.F) D) and E)
G) C) and D)

Question 14

Match the cell type with its function.
-goblet cells

Accepted Answer

A)  produce hormones
B)  produce mucus
C)  may protect intestinal epithelium
D)  synthesize bile
E)  produce digestive enzymesF) B) and D)
G) None of the above

Question 15

Inflammation of the gums is called

Accepted Answer

A)   dental carries.
B)   pyorrhea.
C)   halitosis.
D)   gingivitus.E) B) and D)
F) A) and B)

Question 16

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

Question 17

The gastric phase of gastric secretion

Accepted Answer

A)   decreases the release of gastrin in the stomach.
B)   is triggered by taste, sight, thought, or smell of food.
C)   is mediated by impulses on sympathetic nerves.
D)   leads to the greatest volume of gastric secretion.
E)   leads to the least volume of gastric secretion.F) C) and D)
G) D) and E)

Question 18

What disease is caused by the absence of enteric neurons in the distal large intestine?

Accepted Answer

A)   Hirschprung disease
B)   multiple endocrine neoplasia type 2
C)   spastic colon
D)   gastroenteritisE) A) and C)
F) B) and D)

Question 19

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

Question 20

Parasympathetic nerves extend to the digestive tract through the ____________ nerve.

Accepted Answer

A)   gastric
B)   cardiac
C)   vagus
D)   accessoryE) All of the above
F) None of the above

Exam 24: Digestive System

The formation of HCl in the stomach involves the

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Inflammation of the gums is called

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A blockage in the colon where the ascending colon turns to become the transverse colon would occur at the

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Match the cell type with its function. -goblet cells

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

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What disease is caused by the absence of enteric neurons in the distal large intestine?

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Beginning at the lumen, the sequence of layers of the digestive tract wall is

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

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Parasympathetic nerves extend to the digestive tract through the ____________ nerve.

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Salivary gland secretion is primarily controlled by the

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Insulin increases the rate of _____ transport into cells.

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Which digestive activity is NOT correctly matched to its location?

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The pyloric pump

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The gastric phase of gastric secretion

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

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A large amount of fat accumulates in the

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Match the function with its appropriate description. -absorption

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Match the organ with the appropriate function. -lips and cheeks

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Bile secretion is

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The role of acetylcholine in the digestive tract is to _________, while the role of norepinephrine is to ______.

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The role of acetylcholine in the digestive tract is to ___, while the role of norepinephrine is to .

Correct Answer
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