Question 1

The epithelium lining the oropharynx is

Accepted Answer

A)  simple squamous.
B)  simple cuboidal.
C)  simple columnar.
D)  stratified squamous.
E)  pseudostratified squamous.F) B) and E)
G) B) and C)

Question 2

Enterogastric reflexes

Accepted Answer

A)  inhibit gastric motility.
B)  inhibit gastric secretion.
C)  are triggered by chyme entering the duodenum.
D)  involve the enteric nervous system.
E)  All of the answers are correct.F) All of the above
G) C) and D)

Question 3

Figure 24-2 The Wall of the Small Intestine
Use Figure 24-2 to answer the following questions:
-What is the function of the structure labeled "7"?

Accepted Answer

A)  production of sodium bicarbonate
B)  production of lipase
C)  protection from bacteria
D)  production of hydrochloric acid
E)  production of pepsinogenF) D) and E)
G) A) and B)

Question 4

All of the following contain mucous cells in the epithelium except the

Accepted Answer

A)  stomach.
B)  transverse colon.
C)  esophagus.
D)  small intestine.
E)  large intestine.F) C) and D)
G) A) and B)

Question 5

The portion of the small intestine that attaches to the cecum is the

Accepted Answer

A)  haustrum.
B)  appendix.
C)  ileum.
D)  duodenum.
E)  jejunum.F) A) and E)
G) A) and B)

Question 6

Functions of the stomach include all of the following except

Accepted Answer

A)  storage of ingested food.
B)  denaturation of proteins.
C)  initiation of protein digestion.
D)  absorption of triglycerides.
E)  mechanical breakdown of food.F) C) and D)
G) C) and E)

Question 7

Powerful peristaltic contractions that occur a few times each day in the colon are called

Accepted Answer

A)  segmentation.
B)  pendular movements.
C)  haustral churning.
D)  defecation.
E)  mass movements.F) B) and C)
G) C) and D)

Question 8

Figure 24-1 The Stomach (dissected) 
Use Figure 24-1 to answer the following questions:
-Which structure(s) help(s) the stomach to stretch as it fills with food?

Accepted Answer

A)  3
B)  4
C)  5
D)  6
E)  9F) A) and B)
G) B) and C)

Question 9

All of the following are true of the intestinal phase of gastric digestion except that it

Accepted Answer

A)  precedes the gastric phase.
B)  functions to control the rate of gastric emptying.
C)  involves both neural and endocrine reflexes.
D)  helps ensure that the functions of the small intestine proceed with relative efficiency.
E)  begins when chyme enters the small intestine.F) C) and D)
G) All of the above

Question 10

An intestinal hormone that stimulates the release of insulin from the pancreatic islet cells is

Accepted Answer

A)  enterocrinin.
B)  enteropeptidase.
C)  secretin.
D)  cholecystokinin.
E)  gastric inhibitory peptide (GIP) .F) A) and C)
G) A) and E)

Question 11

Movements unique to the large intestine are ________ movements.

Accepted Answer

A)  peristaltic
B)  segmentation
C)  mass
D)  pendular
E)  writhingF) A) and B)
G) A) and C)

Question 12

The enzyme that digests starch into disaccharides and trisaccharides is

Accepted Answer

A)  rennin.
B)  amylase.
C)  lipase.
D)  lactase.
E)  saccharase.F) B) and E)
G) A) and B)

Question 13

An enzyme that digests proteins into peptides is

Accepted Answer

A)  lipase.
B)  amylase.
C)  nuclease.
D)  maltase.
E)  trypsin.F) B) and C)
G) C) and D)

Question 14

The clinical term for the gas produced by bacteria in the colon as they metabolize indigestible carbohydrates is called

Accepted Answer

A)  wind.
B)  fumes.
C)  flatus.
D)  gust.
E)  vapors.F) A) and B)
G) A) and C)

Question 15

The secondary dentition usually comprises ________ teeth.

Accepted Answer

A)  20
B)  25
C)  28
D)  32
E)  34F) A) and D)
G) B) and E)

Question 16

Each of the following is a function of the liver except

Accepted Answer

A)  synthesis and secretion of bile.
B)  antibody production.
C)  synthesis of plasma proteins.
D)  inactivation of toxins.
E)  storage of glycogen and iron reserves.F) A) and E)
G) A) and B)

Question 17

Which of the following is not a function of the digestive system?

Accepted Answer

A)  mechanical processing
B)  absorption
C)  secretion
D)  ingestion
E)  filtrationF) A) and C)
G) B) and C)

Question 18

People who lack the enzyme ________ often experience GI upset after consuming milk and other dairy products.

Accepted Answer

A)  maltase
B)  lactase
C)  galactase
D)  sucrase
E)  lipaseF) A) and B)
G) C) and E)

Question 19

If the lingual frenulum is too restrictive,an individual

Accepted Answer

A)  has a condition called ankyloglossia.
B)  has difficulty eating.
C)  cannot speak normally.
D)  cannot protract the tongue as far as most individuals.
E)  All of the answers are correct.F) A) and E)
G) D) and E)

Question 20

The portion of the stomach that is superior to the junction between the stomach and the esophagus is the

Accepted Answer

A)  cardia.
B)  pylorus.
C)  fundus.
D)  antrum.
E)  body.F) A) and B)
G) A) and C)

Exam 24: The Digestive System

The enzyme that digests starch into disaccharides and trisaccharides is

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Powerful peristaltic contractions that occur a few times each day in the colon are called

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Functions of the stomach include all of the following except

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If the lingual frenulum is too restrictive,an individual

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The portion of the small intestine that attaches to the cecum is the

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An intestinal hormone that stimulates the release of insulin from the pancreatic islet cells is

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All of the following contain mucous cells in the epithelium except the

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The secondary dentition usually comprises ________ teeth.

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People who lack the enzyme ________ often experience GI upset after consuming milk and other dairy products.

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Each of the following is a function of the liver except

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The epithelium lining the oropharynx is

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Movements unique to the large intestine are ________ movements.

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Which of the following is not a function of the digestive system?

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Figure 24-2 The Wall of the Small Intestine Use Figure 24-2 to answer the following questions: -What is the function of the structure labeled "7"?

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Figure 24-1 The Stomach (dissected) Use Figure 24-1 to answer the following questions: -Which structure(s) help(s) the stomach to stretch as it fills with food?

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The portion of the stomach that is superior to the junction between the stomach and the esophagus is the

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The clinical term for the gas produced by bacteria in the colon as they metabolize indigestible carbohydrates is called

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An enzyme that digests proteins into peptides is

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All of the following are true of the intestinal phase of gastric digestion except that it

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Enterogastric reflexes

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