Question 1

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.

Question 2

Which of the following apply to the small intestine?

Accepted Answer

A)   Secretions from the liver and pancreas enter this organ.
B)   Segmentation contractions occur in this organ.
C)   Both digestion and absorption occur in this organ.
D)   Mixing and propulsion of chyme.
E)   All of these choices apply to the small intestine.

Question 3

LDL's are taken into a cell by the process of

Accepted Answer

A)   simple diffusion.
B)   osmosis.
C)   receptor mediated endocytosis.
D)   HDL carrier molecules.
E)   facilitated diffusion.

Question 4

Secretions that are added as food moves through the GI tract assist in

Accepted Answer

A)   liquefying and digesting the food.
B)   vitamin A and D production and storage.
C)   distribution of nutrients throughout the body.
D)   insulin production.
E)   bile production.

Question 5

Functions of the liver include

Accepted Answer

A)   production of many blood proteins.
B)   interconversion of nutrients.
C)   detoxification of harmful chemicals.
D)   bile production.
E)   All of these are functions of the liver.

Question 6

Which of the following regions of the stomach is correctly matched with its description?

Accepted Answer

A)   body - portion closest to the esophagus
B)   pylorus - the most inferior portion of the stomach
C)   fundus - opening from the stomach into the duodenum
D)   cardiac region - the largest portion of the stomach
E)   pyloric opening - opening from the esophagus

Question 7

Which of the following is NOT an accessory organ of the digestive tract?

Accepted Answer

A)   esophagus
B)   salivary glands
C)   pancreas
D)   gallbladder

Question 8

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, 1

Question 9

Which of the following components of saliva is mismatched with its function?

Accepted Answer

A)   mucin - lubricant
B)   lysozyme - antibacterial properties
C)   bicarbonate - neutralizes acid
D)   IgA - prevents infection
E)   salivary amylase - begins protein digestion

Question 10

Which of the following cell types is correctly matched with its function?

Accepted Answer

A)   endocrine cells - produce mucus
B)   absorptive cells - produce digestive enzymes
C)   granular cells - absorb nutrients
D)   goblet cells - produce hormones
E)   granular cells - produce granules

Question 11

Match the mesenteries or membranes with its appropriate description.
-transverse mesocolon

Accepted Answer

A)  mesentery of the small intestine
B)  serous membrane that covers organs
C)  attaches the liver to the diaphragm
D)  connects lesser curvature of stomach to the liver
E)  mesentery of the colon

Question 12

-The diagram illustrates an absorptive structure in the duodenum. What does "D" represent?

Accepted Answer

A)   microvilli
B)   epithelial cell
C)   capillary
D)   lacteal
E)   villus

Question 13

-The diagram illustrates an absorptive structure in the duodenum. What does "B" represent?

Accepted Answer

A)   microvilli
B)   epithelial cell
C)   capillary
D)   lacteal
E)   villus

Question 14

-The diagram illustrates the anatomy of the stomach. What does "C" represent?

Accepted Answer

A)   muscularis
B)   duodenum
C)   esophagus
D)   pyloric sphincter
E)   cardiac part

Question 15

Match the disorder with the best description.
-GERD

Accepted Answer

A)  inflammation of the liver
B)  watery feces
C)  bad breath
D)  enlargement or inflammation of the vein of the anal canal
E)  chronic acid in the esophagus

Question 16

The defecation reflex

Accepted Answer

A)   is stimulated by distention of the rectum.
B)   inhibits further peristalsis in the rectum and lower colon.
C)   constricts the internal anal sphincter.
D)   lasts several hours.
E)   None of these choices is correct.

Question 17

The abdominal cavity is lined with

Accepted Answer

A)   the omental bursa.
B)   mesenteries.
C)   the greater omentum.
D)   parietal peritoneum.
E)   superficial fascia.

Question 18

The ____ helps hold a tooth in its socket.

Accepted Answer

A)   crown
B)   cementum
C)   periodontal ligament
D)   dental arch
E)   alveoli

Question 19

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

Accepted Answer

A)  salivary glands
B)  stomach
C)  liver
D)  small intestine
E)  pancreas

Question 20

The major secretion of the large intestine is

Accepted Answer

A)   bile.
B)   hormones.
C)   mucus.
D)   vitamins.
E)   bacteria.

Exam 24: Digestive System

Which of the following apply to the small intestine?

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-The diagram illustrates an absorptive structure in the duodenum. What does "D" represent?

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Which of the following components of saliva is mismatched with its function?

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Match the mesenteries or membranes with its appropriate description. -transverse mesocolon

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The major secretion of the large intestine is

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Which of the following is NOT an accessory organ of the digestive tract?

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Match the disorder with the best description. -GERD

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

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The esophagus

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Which of the following cell types is correctly matched with its function?

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-The diagram illustrates the anatomy of the stomach. What does "C" represent?

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Secretions that are added as food moves through the GI tract assist in

Correct AnswerverifiedShow Answer

LDL's are taken into a cell by the process of

Correct AnswerverifiedShow Answer

The ____ helps hold a tooth in its socket.

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-The diagram illustrates an absorptive structure in the duodenum. What does "B" represent?

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Functions of the liver include

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Which of the following regions of the stomach is correctly matched with its description?

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The defecation reflex

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The abdominal cavity is lined with

Correct AnswerverifiedShow Answer

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