Question 1

The major secretion of the large intestine is ________.

Accepted Answer

A)   bile
B)   hormones
C)   mucus
D)   vitamins
E)   bacteriaF) A) and E)
G) A) and B)

Question 2

Arrange the following events involving lipids in the correct order.
(1)  Absorption of lipids
(2)  Emulsification
(3)  Micelle formation
(4)  Digestion of lipids

Accepted Answer

A)   1, 2, 3, 4
B)   3, 4, 2, 1
C)   4, 1, 2, 3
D)   2, 4, 1, 3
E)   2, 4, 3, 1F) C) and D)
G) B) and E)

Question 3

The epiglottis covers the opening into the larynx during the ________ phase of swallowing.

Accepted Answer

A)   voluntary
B)   pharyngeal
C)   esophageal
D)   gastric
E)   oralF) A) and C)
G) None of the above

Question 4

Which is the correct order of the regions of the digestive tract from superior to inferior?

Accepted Answer

A)   Pharynx, esophagus, large intestine, small intestine
B)   Oral cavity, stomach, small intestine, large intestine
C)   Stomach, esophagus, large intestine, small intestine
D)   Anus, large intestine, stomach, esophagusE) A) and B)
F) A) and C)

Question 5

Segmental contractions are mixing contractions that occur predominantly in the ________.

Accepted Answer

A)   oral cavity
B)   large intestine
C)   esophagus
D)   stomach
E)   small intestineF) A) and E)
G) All of the above

Question 6

What is the purpose of segmental contractions of the small intestine?

Accepted Answer

A)   Propelling the chyme forward
B)   Mixing of intestinal contents
C)   Moving intestinal contents into the colon
D)   Stretching the intestinal wallE) All of the above
F) A) and D)

Question 7

A gallstone has completely blocked flow of bile into the small intestine. Where is the stone most likely lodged?

Accepted Answer

A)   Common bile duct
B)   Cystic duct
C)   Hepatic duct
D)   Pancreatic ductE) All of the above
F) B) and D)

Question 8

In order to remove a tumor in the muscular tunic of the stomach, a surgeon must cut through the ________.

Accepted Answer

A)   lamina propria
B)   submucosa
C)   serosa
D)   mucosaE) A) and C)
F) B) and C)

Question 9

Harrison loves to entertain his classmates with his strange talents. His newest "trick" is to roll his tongue into a tube shape. Which muscles are important for Harrison to perform this trick?

Accepted Answer

A)   Intrinsic muscles of the tongue
B)   Extrinsic muscles of the tongue
C)   Buccinator
D)   Both "Intrinsic muscles of the tongue" and "Buccinator" are correct.E) B) and D)
F) All of the above

Question 10

What muscle forms the cheek?

Accepted Answer

A)   Buccinator
B)   Orbicularis oculi
C)   Orbicularis oris
D)   ZygomaticusE) B) and D)
F) B) and C)

Question 11

Match the enzyme with the products of its digestive activity.
-Salivary amylase

Accepted Answer

A)  Glucose and galactose
B)  Amino acids
C)  Fatty acids and glycerol
D)  Maltose and isomaltose
E)  Polysaccharides and disaccharidesF) None of the above
G) A) and E)

Question 12

Which of the following would stimulate gastric secretion?

Accepted Answer

A)   Acidic chyme in duodenum
B)   Secretin
C)   Gastrin
D)   Cholecystokinin
E)   PepsinF) A) and C)
G) C) and D)

Question 13

The ________ helps hold a tooth in its socket.

Accepted Answer

A)   crown
B)   pulp cavity
C)   periodontal ligament
D)   dental arch
E)   alveoliF) A) and C)
G) A) and B)

Question 14

Which of the following is NOT a necessary function of the tongue?

Accepted Answer

A)   Swallowing
B)   Chewing
C)   Taste
D)   SpeechE) B) and C)
F) A) and C)

Question 15

Anticipation of eating food causes an increase in secretion of gastric juice. This phase of gastric secretion is called the ________ phase.

Accepted Answer

A)   cephalic
B)   gastric
C)   intestinal
D)   pancreatic
E)   consciousF) B) and E)
G) B) and D)

Question 16

The esophagus

Accepted Answer

A)   extends from the fauces to the stomach.
B)   has cartilage in its walls to keep it from collapsing.
C)   produces two enzymes that digest proteins.
D)   has upper and lower sphincters to regulate movement of food.
E)   has thin walls of connective tissue.F) A) and E)
G) B) and D)

Question 17

Cholecystokinin and the glossopharyngeal nerve stimulate the release of bile into the small intestine.

Accepted Answer

A) True 
 B)False

Question 18

Match the enzyme or hormone with the organ that produces it.
-Peptidases

Accepted Answer

A)  Salivary glands
B)  Stomach
C)  Liver
D)  Small intestine
E)  PancreasF) D) and E)
G) All of the above

Question 19

Match the cell type with its function.
-Endocrine cells

Accepted Answer

A)  Produce hormones
B)  Produce mucus
C)  May protect intestinal epithelium
D)  Synthesize bile
E)  Produce digestive enzymesF) A) and D)
G) A) and C)

Question 20

During mastication, food molecules are digested as the teeth break chemical bonds.

Accepted Answer

A) True 
 B)False

Exam 24: Digestive System

What is the purpose of segmental contractions of the small intestine?

Correct AnswerverifiedShow Answer

What muscle forms the cheek?

Correct AnswerverifiedShow Answer

Cholecystokinin and the glossopharyngeal nerve stimulate the release of bile into the small intestine.

Correct AnswerverifiedShow Answer

A gallstone has completely blocked flow of bile into the small intestine. Where is the stone most likely lodged?

Correct AnswerverifiedShow Answer

Match the cell type with its function. -Endocrine cells

Correct AnswerverifiedShow Answer

The ________ helps hold a tooth in its socket.

Correct AnswerverifiedShow Answer

Match the enzyme or hormone with the organ that produces it. -Peptidases

Correct AnswerverifiedShow Answer

During mastication, food molecules are digested as the teeth break chemical bonds.

Correct AnswerverifiedShow Answer

Arrange the following events involving lipids in the correct order. (1) Absorption of lipids (2) Emulsification (3) Micelle formation (4) Digestion of lipids

Correct AnswerverifiedShow Answer

The esophagus

Correct AnswerverifiedShow Answer

The epiglottis covers the opening into the larynx during the ________ phase of swallowing.

Correct AnswerverifiedShow Answer

Anticipation of eating food causes an increase in secretion of gastric juice. This phase of gastric secretion is called the ________ phase.

Correct AnswerverifiedShow Answer

Which of the following would stimulate gastric secretion?

Correct AnswerverifiedShow Answer

Match the enzyme with the products of its digestive activity. -Salivary amylase

Correct AnswerverifiedShow Answer

Segmental contractions are mixing contractions that occur predominantly in the ________.

Correct AnswerverifiedShow Answer

Which of the following is NOT a necessary function of the tongue?

Correct AnswerverifiedShow Answer

Harrison loves to entertain his classmates with his strange talents. His newest "trick" is to roll his tongue into a tube shape. Which muscles are important for Harrison to perform this trick?

Correct AnswerverifiedShow Answer

The major secretion of the large intestine is ________.

Correct AnswerverifiedShow Answer

Which is the correct order of the regions of the digestive tract from superior to inferior?

Correct AnswerverifiedShow Answer

In order to remove a tumor in the muscular tunic of the stomach, a surgeon must cut through the ________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified