Question 1

Which peritoneal fold attaches the liver to the anterior internal body wall?

Accepted Answer

A)   Coronary ligament
B)   Falciform ligament
C)   Mesentery proper
D)   Intraperitoneal ligament
E)   Hepatic ligamentF) A) and E)
G) A) and C)

Question 2

Cholecystokinin is a(n)  ________ released by the ________.

Accepted Answer

A)   enzyme; stomach
B)   enzyme; small intestine
C)   enzyme; gallbladder
D)   hormone; small intestine
E)   hormone; gallbladderF) A) and B)
G) B) and E)

Question 3

A sphincter is a

Accepted Answer

A)   thickening of the longitudinal layer of the muscularis that propels materials through the GI tract.
B)   thickening of the circular layer of the muscularis that controls movement of materials through the GI tract.
C)   fold of the mucosa of the GI tract that increases the total surface area for absorption of nutrients.
D)   circle of adventitia that anchors the GI tract to neighboring structures.E) All of the above
F) A) and D)

Question 4

What is the correct order for the layers of the GI tract wall, from innermost (next to lumen)  to outermost?

Accepted Answer

A)   Mucosa - submucosa - adventitia/serosa - muscularis
B)   Muscularis - mucosa - adventitia/serosa - submucosa
C)   Adventitia/serosa - mucosa - submucosa - muscularis
D)   Mucosa - submucosa - muscularis - adventitia/serosa
E)   Adventitia/serosa - muscularis - mucosa - submucosaF) B) and D)
G) A) and E)

Question 5

Of the five types of secretory cells in the gastric glands, which ones secrete pepsinogen?

Accepted Answer

A)   Chief cells
B)   Parietal cells
C)   Surface mucous cells
D)   Mucous neck cells
E)   Enteroendocrine cellsF) A) and B)
G) A) and C)

Question 6

Mechanoreceptors and chemoreceptors are found in the

Accepted Answer

A)   adventitia of the upper portion of the GI tract.
B)   epithelium of the inferior portion of the GI tract.
C)   mucosa and submucosa of the GI tract along its length.
D)   myenteric plexus of the mucosa of the intestine.
E)   muscularis interna of the entire length of the GI tract.F) A) and E)
G) A) and D)

Question 7

The initial site of both mechanical and chemical digestion is the

Accepted Answer

A)   stomach.
B)   small intestine.
C)   esophagus.
D)   oral cavity.
E)   pharynx.F) A) and B)
G) D) and E)

Question 8

The upper half of the esophagus contains smooth muscle and the lower half contains skeletal muscle.

Accepted Answer

A) True 
 B)False

Question 9

If a fatty meal has been ingested, the liver and gallbladder need to be alerted about the need for bile. The receptors that are responsible for sensing the fat in the ingested food are referred to as

Accepted Answer

A)   bilireceptors.
B)   mechanoreceptors.
C)   chemoreceptors.
D)   omental neurons
E)   osmodetectors.F) A) and B)
G) A) and C)

Question 10

Which cranial nerves innervate the salivary glands?

Accepted Answer

A)   V and VII
B)   XI and XII
C)   VII and IX
D)   VI and IX
E)   V and XIF) D) and E)
G) A) and D)

Question 11

Digestion of proteins is initiated by the enzyme

Accepted Answer

A)   amylase.
B)   hydrochloric acid.
C)   aminopeptidase.
D)   pepsin.
E)   CCK.F) None of the above
G) A) and B)

Question 12

Stenosis (constriction)  of the pyloric sphincter would interfere with

Accepted Answer

A)   passage of bile and pancreatic juice into the duodenum.
B)   peristalsis.
C)   passage of a bolus into the stomach.
D)   passage of chyme into the duodenum.
E)   mucus secretion.F) A) and C)
G) C) and E)

Question 13

The accumulation of large amounts of adipose tissue in the ________ that extends from the inferolateral surface of the stomach can form what is commonly called a "beer belly."

Accepted Answer

A)   greater omentum
B)   mesentery proper
C)   mesocolon
D)   lesser omentum
E)   falciform ligamentF) A) and C)
G) None of the above

Question 14

Pancreatic juice is secreted by the exocrine pancreatic acini.

Accepted Answer

A) True 
 B)False

Question 15

Chief cells store and release an inactive precursor of a proteolytic enzyme (rather than the active form) to avoid destroying proteins within themselves.

Accepted Answer

A) True 
 B)False

Question 16

A lymphatic capillary within a villus of the small intestine is called a ________.

Accepted Answer

The answer of A lymphatic capillary within a villus of...

Question 17

The ________ are considered the opening from the oral cavity to the oropharynx.

Accepted Answer

A)   fauces
B)   choana
C)   conchae
D)   fossae
E)   glossusF) A) and E)
G) None of the above

Question 18

Mechanical & chemical processes of digestion. 
-This figure shows the stomach. What structure does number 3 indicate?

Accepted Answer

A)   Esophagus
B)   Ilium
C)   Duodenum
D)   Jejunum
E)   Descending colonF) A) and E)
G) A) and C)

Question 19

There are two aspects to digestion: chemical digestion and ________ digestion.

Accepted Answer

The answer of There are two aspects to digestion: chemical...

Question 20

Bacteria within the large intestine are called

Accepted Answer

A)   indigenous macrobiota.
B)   indigenous microbiota.
C)   exogenous macrobiota.
D)   exogenous microbiota.E) All of the above
F) A) and D)

Exam 26: Digestive System

The ________ are considered the opening from the oral cavity to the oropharynx.

Correct AnswerverifiedShow Answer

Chief cells store and release an inactive precursor of a proteolytic enzyme (rather than the active form) to avoid destroying proteins within themselves.

Correct AnswerverifiedShow Answer

If a fatty meal has been ingested, the liver and gallbladder need to be alerted about the need for bile. The receptors that are responsible for sensing the fat in the ingested food are referred to as

Correct AnswerverifiedShow Answer

A lymphatic capillary within a villus of the small intestine is called a ________.

Correct AnswerverifiedShow Answer

Pancreatic juice is secreted by the exocrine pancreatic acini.

Correct AnswerverifiedShow Answer

Mechanoreceptors and chemoreceptors are found in the

Correct AnswerverifiedShow Answer

Stenosis (constriction) of the pyloric sphincter would interfere with

Correct AnswerverifiedShow Answer

Which cranial nerves innervate the salivary glands?

Correct AnswerverifiedShow Answer

There are two aspects to digestion: chemical digestion and ________ digestion.

Correct AnswerverifiedShow Answer

A sphincter is a

Correct AnswerverifiedShow Answer

The accumulation of large amounts of adipose tissue in the ________ that extends from the inferolateral surface of the stomach can form what is commonly called a "beer belly."

Correct AnswerverifiedShow Answer

What is the correct order for the layers of the GI tract wall, from innermost (next to lumen) to outermost?

Correct AnswerverifiedShow Answer

Digestion of proteins is initiated by the enzyme

Correct AnswerverifiedShow Answer

Which peritoneal fold attaches the liver to the anterior internal body wall?

Correct AnswerverifiedShow Answer

Cholecystokinin is a(n) ________ released by the ________.

Correct AnswerverifiedShow Answer

The upper half of the esophagus contains smooth muscle and the lower half contains skeletal muscle.

Correct AnswerverifiedShow Answer

Mechanical & chemical processes of digestion. -This figure shows the stomach. What structure does number 3 indicate?

Correct AnswerverifiedShow Answer

Bacteria within the large intestine are called

Correct AnswerverifiedShow Answer

The initial site of both mechanical and chemical digestion is the

Correct AnswerverifiedShow Answer

Of the five types of secretory cells in the gastric glands, which ones secrete pepsinogen?

Correct AnswerverifiedShow Answer

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Cholecystokinin is a(n) released by the .

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