Question 1

-What does "D" represent on the diagram?

Accepted Answer

A)   small intestine
B)   large intestine
C)   esophagus
D)   stomach
E)   liverF) All of the above
G) None of the above

Question 2

A mixing contraction in the small intestine is called

Accepted Answer

A)   peristalsis.
B)   segmental contraction.
C)   deglutition.
D)   mass movement.E) B) and D)
F) All of the above B

Question 3

Most nutrient absorption occurs in the

Accepted Answer

A)   stomach and esophagus.
B)   duodenum and jejunum.
C)   ascending colon and cecum.
D)   pancreatic duct and gall bladder.
E)   ileum and transverse colon.F) None of the above
G) All of the above

Question 4

What is the function of the intrinsic muscles of the tongue?

Accepted Answer

A)   sticking the tongue out
B)   moving the tongue side to side
C)   changing the tongue shape during swallowing
D)   retracting the tongueE) A) and B)
F) A) and C)

Question 5

What muscle forms the cheeks?

Accepted Answer

A)   buccinator muscle
B)   orbicularis oculi muscle
C)   orbicularis oris
D)   zygomaticus musclesE) A) and D)
F) A) and C)

Question 6

The major stimulus for the release of cholecystokinin is the presence of ______ in the intestine.

Accepted Answer

A)   bile
B)   pancreatic juice
C)   fatty acids and other lipids
D)   sugars
E)   proteinsF) A) and B)
G) A) and E)

Question 7

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

Accepted Answer

A)  salivary glands
B)  stomach
C)  liver
D)  small intestine
E)  pancreasF) A) and E)
G) C) and D)

Question 8

What portion of the small intestine is most distal from the pylorus of the stomach?

Accepted Answer

A)   jejunum
B)   duodenum
C)   ileum
D)   common bile duct
E)   hepatopancreatic ampullaF) A) and C)
G) A) and B)

Question 9

The oral cavity

Accepted Answer

A)   opens into the nasopharynx.
B)   directly connects with the esophagus.
C)   contains the parotid salivary glands.
D)   has boundaries that include the lips, palate and cheeks.
E)   is lined with cuboidal epithelium.F) A) and C)
G) B) and E) D

Question 10

What muscle forms the lips?

Accepted Answer

A)   buccinator muscle
B)   orbicularis oculi muscle
C)   orbicularis oris muscle
D)   labial frenulum muscleE) A) and B)
F) All of the above

Question 11

When intestinal chyme is highly concentrated,

Accepted Answer

A)   water moves by osmosis into the lumen of the small intestine.
B)   water moves by osmosis from the intestinal lumen into the blood.
C)   water moves by endocytosis from intestinal lumen into interstitial spaces.
D)   water moves by exocytosis from interstitial spaces into the stomach.
E)   water does not move.F) A) and B)
G) A) and C)

Question 12

The salivary glands that open into the oral cavity beside the frenulum of the tongue are the

Accepted Answer

A)   parotid glands.
B)   sublingual glands.
C)   submandibular glands.
D)   labial glands.
E)   lacrimal glands.F) B) and D)
G) D) and E)

Question 13

Saliva

Accepted Answer

A)   is produced only when there is food in the mouth.
B)   increases ulceration in the mouth.
C)   is responsible for peristalsis in the mouth.
D)   moistens food and begins starch digestion in the mouth.
E)   does not prevent bacterial infection in the mouth.F) A) and E)
G) A) and D)

Question 14

Which of the following lipoproteins contains the highest percentage of cholesterol?

Accepted Answer

A)   LDL
B)   HDL
C)   VLDL
D)   chylomicron
E)   CDLF) All of the above
G) C) and E)

Question 15

Match the function with its appropriate description.
-elimination

Accepted Answer

A)  movement of molecules from digestive tract into blood
B)  chewing of food
C)  muscular contractions that propel food
D)  removal of undigested wastes from body
E)  breakdown of organic molecules with digestive enzymesF) A) and B)
G) A) and C)

Question 16

What connects the gallbladder to the common bile duct?

Accepted Answer

A)   hepatic duct
B)   gallbladder duct
C)   cystic duct
D)   portal ductE) All of the above
F) B) and C) C

Question 17

Which of the following would inhibit both gastric secretion and gastric motility?

Accepted Answer

A)   vagal stimulation
B)   chewing and swallowing food
C)   cholecystokinin (CCK) 
D)   gastrin
E)   large amounts of fiber in the dietF) A) and D)
G) None of the above

Question 18

Chylomicrons

Accepted Answer

A)   are synthesized in intestinal epithelial cells.
B)   enter capillaries in the small intestine.
C)   help emulsify fats.
D)   are a rich source of carbohydrate.
E)   are synthesized in the lumen of the small intestines.F) A) and D)
G) A) and B)

Question 19

-The figure illustrates bile drainage. What does "C" represent?

Accepted Answer

A)   hepatopancreatic ampulla
B)   pancreatic duct
C)   common hepatic duct
D)   common bile duct
E)   cystic ductF) B) and C)
G) A) and C)

Question 20

Which layer of the digestive tract is in direct contact with the food consumed?

Accepted Answer

A)   mucosa
B)   muscularis
C)   submucosa
D)   serosa
E)   peritoneumF) C) and E)
G) A) and B)

Exam 24: Digestive System

-What does "D" represent on the diagram?

Correct AnswerverifiedShow Answer

A mixing contraction in the small intestine is called

Correct AnswerverifiedB

Most nutrient absorption occurs in the

Correct AnswerverifiedShow Answer

What is the function of the intrinsic muscles of the tongue?

Correct AnswerverifiedShow Answer

What muscle forms the cheeks?

Correct AnswerverifiedShow Answer

The major stimulus for the release of cholecystokinin is the presence of ______ in the intestine.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What portion of the small intestine is most distal from the pylorus of the stomach?

Correct AnswerverifiedShow Answer

The oral cavity

Correct AnswerverifiedD

What muscle forms the lips?

Correct AnswerverifiedShow Answer

When intestinal chyme is highly concentrated,

Correct AnswerverifiedShow Answer

The salivary glands that open into the oral cavity beside the frenulum of the tongue are the

Correct AnswerverifiedShow Answer

Saliva

Correct AnswerverifiedShow Answer

Which of the following lipoproteins contains the highest percentage of cholesterol?

Correct AnswerverifiedShow Answer

Match the function with its appropriate description. -elimination

Correct AnswerverifiedShow Answer

What connects the gallbladder to the common bile duct?

Correct AnswerverifiedC

Which of the following would inhibit both gastric secretion and gastric motility?

Correct AnswerverifiedShow Answer

Chylomicrons

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-The figure illustrates bile drainage. What does "C" represent?

Correct AnswerverifiedShow Answer

Which layer of the digestive tract is in direct contact with the food consumed?

Correct AnswerverifiedShow Answer

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D

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C

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