Question 1

What is line D pointing to?

Accepted Answer

A)   lumen
B)   MALT
C)   mucosa
D)   submucosa
E)   muscularis

Question 2

Describe the structural characteristics of the small intestine that enhance its function as the major absorber of nutrients.

Accepted Answer

All structures increase surface area to ...

Question 3

This plexus is located between the longitudinal and circular smooth muscle layers of the muscularis.

Accepted Answer

A)   ENS
B)   myenteric plexus
C)   submucosal plexus
D)   digestive plexus
E)   absorption plexus

Question 4

Which vitamins are considered "antioxidant vitamins?" Why is this role so important?

Accepted Answer

Vitamins C, E, and beta carotene (a prov...

Question 5

This is the principle bile pigment.

Accepted Answer

A)   stercobilin
B)   bilirubin
C)   biliverdin
D)   both stercobilin and bilirubin
E)   All of these answer choices are correct.

Question 6

Which of the following secrete hydrochloric acid?

Accepted Answer

A)   mucous cells
B)   parietal cells
C)   chief cells
D)   serosa cells
E)   chyme cells

Question 7

This portion of the peritoneum is largely responsible for carrying blood and lymph vessels to the large intestine.

Accepted Answer

A)   greater omentum
B)   falciform ligament
C)   lesser omentum
D)   mesentery
E)   mesocolon

Question 8

Antioxidant vitamins

Accepted Answer

A)   are found in plasma membranes.
B)   are vitamin derivatives.
C)   can inactivate oxygen free radicals.
D)   are all excreted in feces.
E)   are all stored in adipose cells.

Question 9

What does line G point to?

Accepted Answer

A)   pylorus
B)   pyloric sphincter
C)   rugae
D)   pyloric antrum
E)   greater curvature

Question 10

This major duct carries a fluid rich in bicarbonate ions.

Accepted Answer

A)   pancreatic duct
B)   hepatopancreatic duct
C)   cystic duct
D)   bile duct
E)   hepatic duct

Question 11

Which of the following pancreatic enzymes acts on peptide bonds?

Accepted Answer

A)   chymotrypsin
B)   amylase
C)   pepsin
D)   phosphatase
E)   nucleosidase

Question 12

This layer of the GI tract is composed of areolar connective tissue that binds the mucosa to the muscularis.

Accepted Answer

A)   submucosa
B)   lamina propria
C)   epithelium
D)   serosa
E)   None of these answer choices are correct.

Question 13

Most glucose that enters the liver is converted to

Accepted Answer

A)   pyruvic acid.
B)   glycogen.
C)   amino acids.
D)   insulin.
E)   glucose.

Question 14

Duodenal glands

Accepted Answer

A)   secrete an acidic mucous.
B)   secrete an alkaline juice.
C)   secrete an alkaline mucous.
D)   secrete an acidic juice.

Question 15

Which of the following processes is the function of the smooth muscle layer of the digestive system?

Accepted Answer

A)   ingestion
B)   secretion
C)   mixing and propulsion
D)   absorption
E)   None of these choices.

Question 16

This cell secretes the hormone that promotes production of hydrochloric acid.

Accepted Answer

A)   neck cell
B)   chief cell
C)   enteroendocrine cell
D)   chyme cell
E)   mucous cell

Question 17

This is the heaviest gland of the body.

Accepted Answer

A)   heart
B)   liver
C)   pancreas
D)   large intestine
E)   thyroid

Question 18

Where does the Kreb's cycle take place?

Accepted Answer

A)   cytosol
B)   plasma membrane
C)   nucleus
D)   mitochondria
E)   golgi apparatus

Question 19

Identify the different types of lipoproteins and describe the function of each.

Accepted Answer

Chylomicrons transport dietary lipids in...

Question 20

Ketone bodies

Accepted Answer

A)   can enter the Krebs cycle.
B)   are used for ATP production.
C)   can be used to make lipids.
D)   can enter Krebs or be used for ATP production.
E)   convert into aldehydes in the liver.

Exam 23: The Digestive System

This portion of the peritoneum is largely responsible for carrying blood and lymph vessels to the large intestine.

Correct AnswerverifiedShow Answer

This layer of the GI tract is composed of areolar connective tissue that binds the mucosa to the muscularis.

Correct AnswerverifiedShow Answer

This major duct carries a fluid rich in bicarbonate ions.

Correct AnswerverifiedShow Answer

Which of the following secrete hydrochloric acid?

Correct AnswerverifiedShow Answer

Which of the following pancreatic enzymes acts on peptide bonds?

Correct AnswerverifiedShow Answer

Duodenal glands

Correct AnswerverifiedShow Answer

Antioxidant vitamins

Correct AnswerverifiedShow Answer

What does line G point to?

Correct AnswerverifiedShow Answer

This is the heaviest gland of the body.

Correct AnswerverifiedShow Answer

What is line D pointing to?

Correct AnswerverifiedShow Answer

Which of the following processes is the function of the smooth muscle layer of the digestive system?

Correct AnswerverifiedShow Answer

Ketone bodies

Correct AnswerverifiedShow Answer

This cell secretes the hormone that promotes production of hydrochloric acid.

Correct AnswerverifiedShow Answer

This plexus is located between the longitudinal and circular smooth muscle layers of the muscularis.

Correct AnswerverifiedShow Answer

Which vitamins are considered "antioxidant vitamins?" Why is this role so important?

Correct AnswerverifiedVitamins C, E, and beta carotene (a prov...View AnswerShow Answer

Describe the structural characteristics of the small intestine that enhance its function as the major absorber of nutrients.

Correct AnswerverifiedAll structures increase surface area to ...View AnswerShow Answer

This is the principle bile pigment.

Correct AnswerverifiedShow Answer

Where does the Kreb's cycle take place?

Correct AnswerverifiedShow Answer

Most glucose that enters the liver is converted to

Correct AnswerverifiedShow Answer

Identify the different types of lipoproteins and describe the function of each.

Correct AnswerverifiedChylomicrons transport dietary lipids in...View AnswerShow Answer

Correct Answer
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Vitamins C, E, and beta carotene (a prov...
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Correct Answer
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All structures increase surface area to ...
View Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
verified
Chylomicrons transport dietary lipids in...
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