Question 1

Emulsification

Accepted Answer

A)  converts small lipid droplets into larger droplets.
B)  occurs in the gallbladder.
C)  chemically digests lipids.
D)  increases surface area for lipid digestion.
E)  involves enzymes.F) A) and E)
G) B) and D)

Question 2

Arrange the following events 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) B) and C)
G) A) and D)

Question 3

Match the process or term with the best description.
-chyme

Accepted Answer

A)  swallowing
B)  chewing
C)  ball of food
D)  semifluid material
E)  phagocytosis,F) C) and D)
G) B) and D)

Question 4

Arrange the following in proper sequence: (1) digestion
(2) elimination
(3) ingestion
(4) absorption

Accepted Answer

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

Question 5

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) None of the above

Question 6

The enteric nervous system acts independently of the CNS to control local reflexes in the digestive tract.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following occurs in the large intestine?

Accepted Answer

A)  chemical digestion
B)  mass movements
C)  mastication
D)  mixing waves
E)  neutralizationF) B) and D)
G) A) and D)

Question 8

Enzymes secreted by the small intestine include

Accepted Answer

A)  disaccharidases.
B)  secretin.
C)  cholecystokinin.
D)  bile.
E)  histamine.F) A) and B)
G) None of the above

Question 9

The major types of enteric neurons include all of the following,except ______________.

Accepted Answer

A)  neurons that detect changes in chemical composition
B)  neurons that stimulate or inhibit smooth muscle contractions
C)  neurons that connect sensory and motor neurons
D)  neurons that suppress epithelial secretionsE) A) and D)
F) C) and D)

Question 10

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 enzymes,F) C) and E)
G) A) and B)

Question 11

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) B) and E)
G) B) and C)

Question 12

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) B) and C)
F) C) and D)

Question 13

Which of the following structures has both endocrine and exocrine tissue?

Accepted Answer

A)  colon
B)  liver
C)  pancreas
D)  gallbladder
E)  spleenF) A) and B)
G) A) and C)

Question 14

What is the function of the gallbladder?

Accepted Answer

A)  produce bile
B)  store bicarbonate
C)  add pigment to bile
D)  store and concentrate bileE) B) and C)
F) A) and D)

Question 15

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)  mucosa.
E)  lamina propria.F) B) and C)
G) B) and E)

Question 16

The ____ helps hold a tooth in its socket.

Accepted Answer

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

Question 17

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

Accepted Answer

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

Question 18

Which part of the pharynx is NOT involved with food transport?

Accepted Answer

A)  nasopharynx
B)  oropharynx
C)  laryngopharynx
D)  All the the choices are involved with food transportE) B) and D)
F) B) and C)

Question 19

Match the enzyme with the products of its digestive activity.
-carboxypeptidase

Accepted Answer

A)  glucose and galactose
B)  amino acids
C)  fatty acids and glycerol
D)  maltose and isomaltose
E)  polysaccharides and disaccharidesF) A) and B)
G) None of the above

Question 20

Match the function with its appropriate description.
-peristalsis

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) B) and E)
G) C) and D)

Exam 24: Digestive System

Enzymes secreted by the small intestine include

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Match the enzyme with the products of its digestive activity. -carboxypeptidase

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What is the function of the gallbladder?

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Match the cell type with its function. -endocrine cells

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Match the process or term with the best description. -chyme

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Match the function with its appropriate description. -peristalsis

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Emulsification

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The ____ helps hold a tooth in its socket.

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What muscle forms the lips?

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Which of the following structures has both endocrine and exocrine tissue?

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Arrange the following in proper sequence: (1) digestion (2) elimination (3) ingestion (4) absorption

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

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

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The major types of enteric neurons include all of the following,except ______________.

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Arrange the following events in the correct order: (1) absorption of lipids (2) emulsification (3) micelle formation (4) digestion of lipids

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The enteric nervous system acts independently of the CNS to control local reflexes in the digestive tract.

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Which part of the pharynx is NOT involved with food transport?

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

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Saliva

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Which of the following occurs in the large intestine?

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