Question 1

Of the three regions of the small intestine, the terminal (end) portion is the ________.

Accepted Answer

The answer of Of the three regions of the small...

Question 2

The buccal, lingual, and labial salivary glands are ________ salivary glands.

Accepted Answer

A)   extrinsic
B)   intrinsicC) A) and B)
D) undefined

Question 3

The submandibular ducts open into the floor of the oral cavity, lateral to the lingual frenulum.

Accepted Answer

A) True 
 B)False

Question 4

Lacteals

Accepted Answer

A)   are found only in the large intestine.
B)   absorb the products of fat digestion.
C)   secrete intestinal juice.
D)   connect directly to the liver.
E)   All of the choices are correct.F) A) and B)
G) A) and C)

Question 5

The gastrointestinal tract lining changes along its length. Choose one section of the tract that has a simple epithelium and one section that has a stratified epithelium, and for each section describe the specific epithelium present and how that type of epithelium suits the organ's function.

Accepted Answer

A variety of answers are possible, but a...

Question 6

The quadrate lobe is visible on the inferior surface of the liver, adjacent to the gallbladder.

Accepted Answer

A) True 
 B)False

Question 7

Maltase is a brush border enzyme of the small intestine that digests the sugar maltose.

Accepted Answer

A) True 
 B)False

Question 8

Cholecystokinin decreases stomach motility and inhibits release of gastrin.

Accepted Answer

A) True 
 B)False

Question 9

Nucleosidase is an enzyme that breaks the

Accepted Answer

A)   phosphodiester bond between nucleotides within DNA.
B)   bond that attaches the phosphate to the nucleoside.
C)   bond between the sugar and the nitrogenous base of the nucleoside.
D)   bonds within the nitrogenous bases of rRNA.E) A) and D)
F) B) and D)

Question 10

What structures compose a portal triad?

Accepted Answer

A)   Branches of the hepatic artery, hepatic vein, and hepatic duct
B)   Branches of the common bile duct, central vein, and hepatic artery
C)   Branches of the hepatic duct, cystic duct, and central vein
D)   Branches of the hepatic artery, hepatic portal vein, and hepatic duct
E)   Branches of the cystic duct, central vein, and hepatic arteryF) A) and C)
G) A) and E)

Question 11

Which organ is retroperitoneal?

Accepted Answer

A)   Stomach
B)   Jejunum
C)   Transverse colon
D)   Pancreas
E)   CecumF) D) and E)
G) B) and E)

Question 12

Gross & microscopic anatomy of the alimentary canal. 
-This figure shows an intestinal villus. The structure indicated by number 3 is a

Accepted Answer

A)   submucosal gland.
B)   Brunner gland.
C)   lymphatic nodule.
D)   plicae circulares.
E)   mucous gland.F) A) and C)
G) B) and E)

Question 13

During swallowing, elevation of the uvula and soft palate prevents food or fluid from entering the nasopharynx.

Accepted Answer

A) True 
 B)False

Question 14

Bile salts are

Accepted Answer

A)   amphipathic.
B)   completely hydrophilic.
C)   completely hydrophobic.D) All of the above
E) A) and C)

Question 15

Sympathetic stimulation causes saliva to be more viscous.

Accepted Answer

A) True 
 B)False

Question 16

Once micelles enter intestinal epithelial cells, fatty acids and monoglycerides combine to form triglycerides.

Accepted Answer

A) True 
 B)False

Question 17

The lining of the gastrointestinal tract that allows for absorption and secretion is

Accepted Answer

A)   keratinized stratified squamous epithelium.
B)   nonkeratinized stratified squamous epithelium.
C)   areolar connective tissue.
D)   simple columnar epithelium.
E)   simple squamous epithelium.F) C) and E)
G) C) and D)

Question 18

The type of receptor within the GI tract wall that detects stretch is the

Accepted Answer

A)   steroid receptor.
B)   chemoreceptor.
C)   mechanoreceptor.
D)   retroperitoneal proprioceptor.E) B) and C)
F) A) and D)

Question 19

Long reflexes of digestion involve activity of the central nervous system.

Accepted Answer

A) True 
 B)False

Question 20

The liver and gallbladder are accessory digestive organs.

Accepted Answer

A) True 
 B)False

Exam 26: Digestive System

The buccal, lingual, and labial salivary glands are ________ salivary glands.

Correct AnswerverifiedShow Answer

The liver and gallbladder are accessory digestive organs.

Correct AnswerverifiedShow Answer

Maltase is a brush border enzyme of the small intestine that digests the sugar maltose.

Correct AnswerverifiedShow Answer

The gastrointestinal tract lining changes along its length. Choose one section of the tract that has a simple epithelium and one section that has a stratified epithelium, and for each section describe the specific epithelium present and how that type of epithelium suits the organ's function.

Correct AnswerverifiedA variety of answers are possible, but a...View AnswerShow Answer

Cholecystokinin decreases stomach motility and inhibits release of gastrin.

Correct AnswerverifiedShow Answer

Of the three regions of the small intestine, the terminal (end) portion is the ________.

Correct AnswerverifiedShow Answer

The quadrate lobe is visible on the inferior surface of the liver, adjacent to the gallbladder.

Correct AnswerverifiedShow Answer

The type of receptor within the GI tract wall that detects stretch is the

Correct AnswerverifiedShow Answer

Gross & microscopic anatomy of the alimentary canal. -This figure shows an intestinal villus. The structure indicated by number 3 is a

Correct AnswerverifiedShow Answer

Nucleosidase is an enzyme that breaks the

Correct AnswerverifiedShow Answer

The submandibular ducts open into the floor of the oral cavity, lateral to the lingual frenulum.

Correct AnswerverifiedShow Answer

Sympathetic stimulation causes saliva to be more viscous.

Correct AnswerverifiedShow Answer

Which organ is retroperitoneal?

Correct AnswerverifiedShow Answer

Bile salts are

Correct AnswerverifiedShow Answer

During swallowing, elevation of the uvula and soft palate prevents food or fluid from entering the nasopharynx.

Correct AnswerverifiedShow Answer

Once micelles enter intestinal epithelial cells, fatty acids and monoglycerides combine to form triglycerides.

Correct AnswerverifiedShow Answer

What structures compose a portal triad?

Correct AnswerverifiedShow Answer

Lacteals

Correct AnswerverifiedShow Answer

The lining of the gastrointestinal tract that allows for absorption and secretion is

Correct AnswerverifiedShow Answer

Long reflexes of digestion involve activity of the central nervous system.

Correct AnswerverifiedShow Answer

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