Question 1

The projections on the superior surface of the tongue, some of which house taste buds, are the

Accepted Answer

A)   tonsils.
B)   cilia.
C)   rugae.
D)   glossal spines.
E)   papillae.F) A) and D)
G) A) and E)

Question 2

The central cavity of a tooth is filled with

Accepted Answer

A)   cementum.
B)   dentin.
C)   pulp.
D)   enamel.
E)   calcium phosphate.F) All of the above
G) A) and D)

Question 3

What type of epithelium lines the majority of the oral cavity?

Accepted Answer

A)   Keratinized stratified squamous
B)   Nonkeratinized stratified squamous
C)   Pseudostratified ciliated columnar
D)   Keratinized stratified cuboidal
E)   Nonkeratinized stratified cuboidalF) A) and B)
G) D) and E)

Question 4

Villi

Accepted Answer

A)   are found throughout the gastrointestinal tract.
B)   generate movement of materials in the large intestine.
C)   increase surface area in the small intestine.
D)   contain both smooth and skeletal muscle fibers.
E)   All of the choices are correct.F) D) and E)
G) A) and C)

Question 5

The esophagus

Accepted Answer

A)   secretes digestive enzymes from its mucosa.
B)   is located anterior to the trachea.
C)   opens to the stomach at the pyloric sphincter.
D)   contains both smooth and skeletal muscle fibers.
E)   is lined with pseudostratified ciliated columnar epithelium.F) None of the above
G) B) and D)

Question 6

Chewed food mixed with saliva is called a ________, which is swallowed once mastication is complete.

Accepted Answer

The answer of Chewed food mixed with saliva is called...

Question 7

Salivary amylase is activated once it enters the acidic environment of the stomach.

Accepted Answer

A) True 
 B)False

Question 8

Protein digestion begins in the

Accepted Answer

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

Question 9

Which peritoneal fold supports the large intestine?

Accepted Answer

A)   Greater omentum
B)   Lesser omentum
C)   Falciform ligament
D)   Mesocolon
E)   Peritoneal ligamentF) A) and C)
G) D) and E)

Question 10

Mechanical & chemical processes of digestion. 
-This figure shows the stomach. Which number indicates the fundus?

Accepted Answer

A)   1
B)   2
C)   4
D)   7
E)   8F) A) and E)
G) A) and D)

Question 11

The presence of fatty chyme in the small intestine stimulates it to release ________, which causes the ________.

Accepted Answer

A)   gastrin; liver to secrete an alkaline solution
B)   CCK; gallbladder to release bile
C)   CCK; stomach to increase gastric secretion
D)   secretin; stomach to increase motility
E)   secretin; pancreas to release acidic pancreatic juiceF) B) and C)
G) A) and B)

Question 12

Select all that describe the movements of the small intestine.
A) Segmentation
B) Peristalsis
C) Haustral churning
D) Mass movements

Accepted Answer

The answer of Select all that describe the movements of...

Question 13

The process by which bile breaks up large fat droplets into smaller ones is called ________.

Accepted Answer

The answer of The process by which bile breaks up...

Question 14

Which is not a lobe of the liver?

Accepted Answer

A)   Right lobe
B)   Caudate lobe
C)   Round lobe
D)   Quadrate lobe
E)   Left lobeF) C) and D)
G) C) and E)

Question 15

What material is transported in the sinusoids of the liver?

Accepted Answer

A)   Bile
B)   Arterial blood
C)   Venous blood
D)   Mixed arterial and venous blood
E)   Hepatic juiceF) B) and E)
G) None of the above

Question 16

The pancreas is located primarily on the ________ side of the body, and it produces an _______ juice that is rich in a variety of enzymes.

Accepted Answer

A)   left, acidic
B)   left, alkaline
C)   right, acidic
D)   right, alkalineE) B) and C)
F) All of the above

Question 17

For the majority of the GI tract, which layer(s)  of the wall contain smooth muscle?

Accepted Answer

A)   Muscularis only
B)   Mucosa and adventitia
C)   Serosa only
D)   Mucosa and muscularis
E)   Submucosa and muscularisF) B) and D)
G) D) and E)

Question 18

Peristalsis

Accepted Answer

A)   is under voluntary control.
B)   involves the opening and closing of muscular sphincters.
C)   involves back-and-forth movement for mixing.
D)   is the alternating contraction of muscle layers in the GI tract wall that propels materials through the tract.
E)   All of the choices are correct.F) A) and B)
G) A) and C)

Question 19

Gastric mixing changes

Accepted Answer

A)   foodstuffs into bile.
B)   food into chyle.
C)   a bolus into chyme.
D)   chyle into pepsin.
E)   proteins into lipids.F) A) and E)
G) A) and C)

Question 20

The small and large intestines are considered part of the lower GI tract.

Accepted Answer

A) True 
 B)False

Exam 26: Digestive System

The central cavity of a tooth is filled with

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The process by which bile breaks up large fat droplets into smaller ones is called ________.

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What material is transported in the sinusoids of the liver?

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The pancreas is located primarily on the ________ side of the body, and it produces an _______ juice that is rich in a variety of enzymes.

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Villi

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The esophagus

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For the majority of the GI tract, which layer(s) of the wall contain smooth muscle?

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Protein digestion begins in the

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What type of epithelium lines the majority of the oral cavity?

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Peristalsis

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The small and large intestines are considered part of the lower GI tract.

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Chewed food mixed with saliva is called a ________, which is swallowed once mastication is complete.

Correct AnswerverifiedShow Answer

Salivary amylase is activated once it enters the acidic environment of the stomach.

Correct AnswerverifiedShow Answer

Mechanical & chemical processes of digestion. -This figure shows the stomach. Which number indicates the fundus?

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Which is not a lobe of the liver?

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The presence of fatty chyme in the small intestine stimulates it to release ________, which causes the ________.

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Select all that describe the movements of the small intestine. A) Segmentation B) Peristalsis C) Haustral churning D) Mass movements

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Gastric mixing changes

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Which peritoneal fold supports the large intestine?

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The projections on the superior surface of the tongue, some of which house taste buds, are the

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The pancreas is located primarily on the __ side of the body, and it produces an _ juice that is rich in a variety of enzymes.

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The presence of fatty chyme in the small intestine stimulates it to release , which causes the .

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