Question 1

Match the gastric cell types, labelled a. through d., with the correct characteristics. (Options may be used more than once or not at all.) 
-serve as parent cells of all new cells of the gastric mucosa

Accepted Answer

A)  chief cells
B)  parietal cells
C)  mucous cells
D)  G cells of PGA

Question 2

Defecation is a spinal reflex.

Accepted Answer

A) True 
 B)False

Question 3

Match the hormone(s) , labelled a. through d., to the descriptions. (Options may be used more than once or not at all.) 
-inhibit(s)  gastric secretion

Accepted Answer

A)  both secretin and CCK
B)  secretin
C)  CCK
D)  gastrin

Question 4

Which of these statements does NOT apply to the pancreas

Accepted Answer

A)  It has endocrine tissue.
B)  It has exocrine tissue.
C)  It secretes an alkaline fluid.
D)  It secretes pepsinogen.

Question 5

A(n) ____________________ ulcer is an erosion of the stomach wall.

Accepted Answer

The answer of A(n) ____________________ ulcer is an erosion of...

Question 6

Match the stimuli, labelled a. through d., with the descriptions. (Options may be used more than once or not at all.) 
-stimulates secretion of gastrin

Accepted Answer

A)  fat in the duodenum
B)  acid in the duodenum
C)  acid in the stomach
D)  protein in the stomach

Question 7

Which of these secretions is entirely under nervous control and has no hormonal regulatory component

Accepted Answer

A)  salivary secretion
B)  gastric secretion
C)  pancreatic secretion
D)  liver secretion

Question 8

Which of these statements does NOT concern peptic ulcers

Accepted Answer

A)  They are usually caused by excessive neural stimulation.
B)  They are usually caused by bacterial infection.
C)  They compromise the mucosal barrier and stomach wall.
D)  Pepsin diffuses into the mucosa when the gastric mucosal barrier is broken.

Question 9

Indicate the site, labelled a. through e., at which digestion of each of the three main categories of foodstuffs commences and is completed. (Options may be used more than once or not at all.) 
-protein digestion is completed

Accepted Answer

A)  mouth
B)  stomach
C)  small intestine lumen
D)  intracellularly in the small intestine brush border
E)  colon

Question 10

Glycogen is stored in the liver.

Accepted Answer

A) True 
 B)False

Question 11

Most of the fluid presented to the small intestine for absorption has been ingested.

Accepted Answer

A) True 
 B)False

Question 12

Gastric mixing takes place primarily in the antrum of the stomach.

Accepted Answer

A) True 
 B)False

Question 13

Match the hormones, labelled a. through e., with the actions listed.
-induces bicarbonate secretion

Accepted Answer

A)  gastrin
B)  secretin
C)  CCK
D)  gastric inhibitory peptide
E)  histamine

Question 14

Which of these statements applies to the intrinsic factor

Accepted Answer

A)  It is secreted by the chief cells in the stomach.
B)  It is necessary for absorption of vitamin B₆.
C)  It is abundant in pernicious anaemia.
D)  It is necessary for absorption of vitamin B₁₂.

Question 15

Match the digestive secretions, labelled a. through e., to the descriptions. (Options may be used more than once or not at all.) 
-gastric enzyme that digests protein

Accepted Answer

A)  bile salts
B)  pepsin(ogen) 
C)  amylase
D)  lipase
E)  trypsin(ogen)

Question 16

The epiglottis opens the glottis during the swallowing reflex.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following does NOT happen during the cephalic phase of gastric secretion

Accepted Answer

A)  Thinking about, seeing, smelling, and chewing food reflexively increases gastric secretion.
B)  Vagal stimulation of the gastric glands occurs.
C)  The mucosal cells release secretin.
D)  The secretory cells secrete HCl and pepsinogen.

Question 18

Match the digestive secretions, labelled a. through e., to the descriptions. (Options may be used more than once or not at all.) 
-potent choleretic

Accepted Answer

A)  bile salts
B)  pepsin(ogen) 
C)  amylase
D)  lipase
E)  trypsin(ogen)

Question 19

Which of these statements does NOT apply to cholecystokinin

Accepted Answer

A)  It is secreted by the endocrine portion of the pancreas.
B)  It stimulates pancreatic enzyme secretion.
C)  It causes contraction of the gallbladder.
D)  It is secreted by the small intestine.

Question 20

Match the hormone(s) , labelled a. through d., to the descriptions. (Options may be used more than once or not at all.) 
-secreted by the pyloric gland area

Accepted Answer

A)  both secretin and CCK
B)  secretin
C)  CCK
D)  gastrin

Exam 15: The Digestive System

Glycogen is stored in the liver.

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Gastric mixing takes place primarily in the antrum of the stomach.

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Which of these secretions is entirely under nervous control and has no hormonal regulatory component

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Indicate the site, labelled a. through e., at which digestion of each of the three main categories of foodstuffs commences and is completed. (Options may be used more than once or not at all.) -protein digestion is completed

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Which of these statements does NOT concern peptic ulcers

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Match the hormones, labelled a. through e., with the actions listed. -induces bicarbonate secretion

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Match the digestive secretions, labelled a. through e., to the descriptions. (Options may be used more than once or not at all.) -gastric enzyme that digests protein

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Which of the following does NOT happen during the cephalic phase of gastric secretion

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Which of these statements does NOT apply to cholecystokinin

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Match the gastric cell types, labelled a. through d., with the correct characteristics. (Options may be used more than once or not at all.) -serve as parent cells of all new cells of the gastric mucosa

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Match the hormone(s) , labelled a. through d., to the descriptions. (Options may be used more than once or not at all.) -secreted by the pyloric gland area

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Most of the fluid presented to the small intestine for absorption has been ingested.

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A(n) ____________________ ulcer is an erosion of the stomach wall.

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Match the stimuli, labelled a. through d., with the descriptions. (Options may be used more than once or not at all.) -stimulates secretion of gastrin

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Match the digestive secretions, labelled a. through e., to the descriptions. (Options may be used more than once or not at all.) -potent choleretic

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Which of these statements applies to the intrinsic factor

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The epiglottis opens the glottis during the swallowing reflex.

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Match the hormone(s) , labelled a. through d., to the descriptions. (Options may be used more than once or not at all.) -inhibit(s) gastric secretion

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Which of these statements does NOT apply to the pancreas

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Defecation is a spinal reflex.

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