Question 1

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) All of the above

Question 2

Which of the following enzymes is mismatched with its substrate?

Accepted Answer

A)   Pepsin - protein
B)   Amylase - starch
C)   Trypsin - nucleic acids
D)   Lipase - fat
E)   Deoxyribonucleases - DNAF) C) and D)
G) A) and D)

Question 3

What moves the bolus during the esophageal phase of deglutition?

Accepted Answer

A)   Pharyngeal constriction
B)   Peristalsis
C)   The tongue
D)   SegmentationE) B) and C)
F) None of the above

Question 4

Which of the following is NOT a type of propulsion in the digestive tract?

Accepted Answer

A)   Peristalsis
B)   Mass movement
C)   Deglutition
D)   Segmental contractionE) A) and B)
F) A) and C)

Question 5

The enterogastric reflex serves to ________.

Accepted Answer

A)   relax the stomach in preparation for swallowed food
B)   stimulate acid and enzyme secretion when food enters the stomach
C)   stimulate intestinal motility when there is food in the stomach
D)   inhibit gastric motility when there is chyme in the small intestine
E)   relax the ileocecal valve when chyme is on its way to the colonF) A) and D)
G) A) and C)

Question 6

Match the cell type with its function.
-Absorptive cells

Accepted Answer

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

Question 7

Match the secretion with the correct cell type.
-Trypsin

Accepted Answer

A)  Endocrine cells
B)  Hepatocyte
C)  Parietal cells
D)  Acinar cells
E)  Goblet cellsF) C) and D)
G) A) and D)

Question 8

The enterogastric reflex can be triggered by

Accepted Answer

A)   distention of the duodenal wall.
B)   the presence of food in the stomach.
C)   increased pH in the duodenum.
D)   the cerebral cortex.
E)   the hormone secretin.F) B) and D)
G) A) and B)

Question 9

What is the main stimulus for bile secretion from the gallbladder?

Accepted Answer

A)   Cholecystokinin (CCK) 
B)   Vagal stimulation
C)   Secretin
D)   Large amounts of protein in the chymeE) A) and C)
F) B) and D)

Question 10

Match the secretion with the correct cell type.
-Hydrochloric acid

Accepted Answer

A)  Endocrine cells
B)  Hepatocyte
C)  Parietal cells
D)  Acinar cells
E)  Goblet cellsF) C) and D)
G) C) and E)

Question 11

Which of the following statements regarding the pancreas is true?

Accepted Answer

A)   The head of the pancreas lies in the curvature of the ileum.
B)   The pancreatic duct carries both enzymes and hormones.
C)   The pancreatic acinar cells secrete digestive enzymes.
D)   The pancreas assists the stomach in the absorption of digested food.
E)   The pancreas digests sugar.F) A) and C)
G) B) and E)

Question 12

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) None of the above
G) C) and E)

Question 13

Match the enzyme or hormone with the organ that produces it.
-Cholecystokinin (CCK)

Accepted Answer

A)  Salivary glands
B)  Stomach
C)  Liver
D)  Small intestine
E)  PancreasF) C) and D)
G) A) and B)

Question 14

Which of the following is located closest to the rectum?

Accepted Answer

A)   Ascending colon
B)   Descending colon
C)   Transverse colon
D)   Sigmoid colon
E)   CecumF) A) and E)
G) C) and E)

Question 15

Match the cell type with its function.
-Granular cells

Accepted Answer

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

Question 16

Arrange the following structures in order from the small intestine to the rectum.
(1)  Ascending colon
(2)  Descending colon
(3)  Sigmoid colon
(4)  Transverse colon

Accepted Answer

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

Question 17

Cholecystokinin is produced by endocrine cells of the ________.

Accepted Answer

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

Question 18

Beginning at the lumen, the sequence of layers of the digestive tract wall is

Accepted Answer

A)   submucosa, mucosa, serous membrane, muscularis.
B)   muscularis, lamina propria, submucosa, mucosa.
C)   mucosa, submucosa, muscularis, serosa.
D)   peritoneum, submucosa, mucosa, lamina propria.
E)   submucosa, mucosa, adventitia, muscularis.F) B) and C)
G) A) and E)

Question 19

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.F) None of the above
G) B) and D)

Question 20

The intestinal phase of gastric secretion

Accepted Answer

A)   is controlled by the entrance of acidic chyme into the duodenum.
B)   leads to increased gastric secretion if duodenal pH falls below 2.
C)   only stimulates gastric secretion.
D)   will decrease gastric secretion when gastrin is released by the duodenum.
E)   is controlled by the entrance of alkaline material into the small intestines.F) A) and E)
G) A) and D)

Exam 24: Digestive System

The enterogastric reflex can be triggered by

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Which of the following enzymes is mismatched with its substrate?

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Match the secretion with the correct cell type. -Trypsin

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Arrange the following structures in order from the small intestine to the rectum. (1) Ascending colon (2) Descending colon (3) Sigmoid colon (4) Transverse colon

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Match the secretion with the correct cell type. -Hydrochloric acid

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The enterogastric reflex serves to ________.

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What moves the bolus during the esophageal phase of deglutition?

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

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The tongue

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Cholecystokinin is produced by endocrine cells of the ________.

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Match the enzyme or hormone with the organ that produces it. -Cholecystokinin (CCK)

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Which of the following is NOT a type of propulsion in the digestive tract?

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Match the cell type with its function. -Granular cells

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Match the cell type with its function. -Absorptive cells

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Which of the following is located closest to the rectum?

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Which of the following statements regarding the pancreas is true?

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Beginning at the lumen, the sequence of layers of the digestive tract wall is

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What is the main stimulus for bile secretion from the gallbladder?

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

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The intestinal phase of gastric secretion

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