Question 1

The muscularis layer in the wall of the digestive tract is

Accepted Answer

A)   skeletal muscle throughout the tract, especially in the large intestine.
B)   the layer of the digestive tract wall that contains capillaries.
C)   in direct contact with the food that is consumed.
D)   composed of a layer of circular smooth muscle fibers and a layer of longitudinal smooth muscle fibers.
E)   connective tissue and the peritoneum.F) B) and D)
G) None of the above

Question 2

The gallbladder contracts in response to the hormone

Accepted Answer

A)   secretin.
B)   cholecystokinin.
C)   gastrin.
D)   somatostatin.
E)   insulin.F) B) and E)
G) A) and E)

Question 3

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)  pancreasF) C) and D)
G) None of the above

Question 4

What is ascites?

Accepted Answer

A)   The excess accumulation of fluid in the abdomen
B)   The increased absorption of water from the chime in the colon
C)   The increased secretion of digestive enzymes due to nervous stimulation
D)   The rapid elimination of feces due to toxin productionE) None of the above
F) A) and B)

Question 5

The network of nerve cells in the submucosa that regulates intestinal secretions is called the ________________.

Accepted Answer

A)   enteric plexus
B)   Auterbah plexus
C)   interstitial plexus
D)   intestinal plexus
E)   submucosal plexusF) A) and E)
G) A) and D)

Question 6

Match the disorder with the best description.
-hepatitis

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

Question 7

The digestive functions performed by saliva and salivary amylase respectively are

Accepted Answer

A)   flushing and protein digestion.
B)   swallowing and fat digestion.
C)   peristalsis and polysaccharide digestion.
D)   moistening and starch digestion.
E)   None of these choices is correct.F) A) and B)
G) B) and E)

Question 8

The tongue

Accepted Answer

A)   secretes saliva.
B)   plays a major role in swallowing.
C)   contains a lot of connective and lymphatic tissues.
D)   is attached to the hard palate.
E)   functions in deglutition apnea.F) B) and D)
G) A) and C)

Question 9

Enzymes for the digestion of disaccharides are produced in the

Accepted Answer

A)   mouth.
B)   stomach.
C)   pancreas.
D)   small intestine.
E)   liver.F) None of the above
G) D) and E)

Question 10

What moves the bolus during the esophageal phase of deglutition?

Accepted Answer

A)   pharyngeal constriction
B)   peristalsis
C)   the tongue
D)   segmentationE) C) and D)
F) A) and B)

Question 11

Which of the following organs is retroperitoneal?

Accepted Answer

A)   pancreas
B)   ascending colon
C)   duodenum
D)   descending colon
E)   All of these organs are retroperitonealF) A) and C)
G) A) and B)

Question 12

Use the key to choose the best answer.
-(1)  pH in the stomach during digestion;
(2)  pH in the duodenum during digestion

Accepted Answer

A)  Choose this if the first item is greater than the second item.
B)  Choose this if the first item is less than the second item.
C)  Choose this if the first item is equal or nearly equal to the second item.D) None of the above
E) All of the above

Question 13

The salivary glands located just anterior to the ear are the

Accepted Answer

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

Question 14

Match the organ with the appropriate function.
-parotid gland

Accepted Answer

A)  secretion of saliva
B)  manipulation of food
C)  swallowing
D)  storage of bile
E)  protection of small intestinal wallF) All of the above
G) D) and E)

Question 15

Match the secretion with the correct cell type.
-mucus

Accepted Answer

A)  endocrine cells
B)  hepatocyte
C)  parietal cells
D)  acinar cells
E)  goblet cellsF) A) and B)
G) B) and C)

Question 16

Which of the following statements applies to the ileocecal sphincter?

Accepted Answer

A)   Cecal distention enhances relaxation of this sphincter.
B)   Closure of this sphincter inhibits absorption in the small intestine.
C)   Peristaltic contractions reaching this sphincter cause it to relax.
D)   This sphincter is usually relaxed.
E)   This sphincter stays contracted.F) A) and E)
G) A) and B)

Question 17

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 esophagusF) A) and C)
G) A) and B)

Question 18

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) C) and D)
G) A) and B)

Question 19

Match the cell type with its function.
-hepatocytes

Accepted Answer

A)  produce hormones
B)  produce mucus
C)  may protect intestinal epithelium
D)  synthesize bile
E)  produce digestive enzymesF) A) and E)
G) A) and B)

Question 20

How does the muscularis layer of the esophagus differ from the rest of the digestive tract?

Accepted Answer

A)   it is all skeletal muscle
B)   the superior part is skeletal muscle
C)   the inferior part is skeletal muscle
D)   it has alternating smooth and skeletal muscle sectionsE) All of the above
F) B) and D)

Exam 24: Digestive System

Enzymes for the digestion of disaccharides are produced in the

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What moves the bolus during the esophageal phase of deglutition?

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What is ascites?

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Match the organ with the appropriate function. -parotid gland

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Match the disorder with the best description. -GERD

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The salivary glands located just anterior to the ear are the

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The digestive functions performed by saliva and salivary amylase respectively are

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

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Which of the following statements applies to the ileocecal sphincter?

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Which of the following organs is retroperitoneal?

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The tongue

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Match the disorder with the best description. -hepatitis

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Use the key to choose the best answer. -(1) pH in the stomach during digestion; (2) pH in the duodenum during digestion

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The muscularis layer in the wall of the digestive tract is

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The gallbladder contracts in response to the hormone

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Emulsification

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Match the secretion with the correct cell type. -mucus

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Match the cell type with its function. -hepatocytes

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The network of nerve cells in the submucosa that regulates intestinal secretions is called the ________________.

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How does the muscularis layer of the esophagus differ from the rest of the digestive tract?

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