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The Digestive System Part 3
Test Description: Part 3
Instructions: Answer all questions to get your test result.
1) An intestinal hormone that stimulates the gallbladder to release bile is
A
secretin
B
CCK
C
enterokinase
D
gastrin
2) An intestinal hormone that stimulates the release of insulin from the pancreatic islet cells is
A
GIP
B
secretin
C
enterocrinin
D
enterokinase
3) The intestinal hormone that stimulates parietal cells and chief cells in the stomach to secrete is
A
gastrin
B
enterokinase
C
CCK
D
GIP
4) The hormone that causes the pancreas to release its digestive enzymes into the small intestine is
A
enterogastrone
B
cholecystokinin
C
gastrin
D
secretin
5) The primary function(s) of the liver include(s)
A
hemotological regulation
B
all of the above
C
metabolic regulation
D
synthesis and secretion of bile
6) The exocrine portion of the pancreas is composed of
A
islets of Langerhans
B
pancreatic acini
C
pancreatic lobules
D
pancreatic crypts
7) The pancreas produces and releases
A
pancreatic amylase
B
all of the above
C
proteases
D
lipases
8) The hormone that causes the gallbladder to release bile is
A
gastrin
B
cholecystokinin
C
enterogastrone
D
secretin
9) The three parts of the large intestine are the
A
cecum, colon, and rectum
B
duodenum, jejunum, and ileum
C
transverse, ascending, and descending colons
D
sigmoid colon, rectum, and anus
10) The major functions of the large intestine are
A
metabolic and hematological regulation
B
production of vitamins and fecal segmentation
C
absorption and preparation of fecal material for elimination
D
completion of digestion and secretion of digestive secretions
11) Movement from the transverse colon through the rest of the large intestine results from peristaltic contractions called
A
the defecation reflex
B
emulsification
C
mass movements
D
the ileocecal reflex
12) At the hepatic flexure, the colon becomes the
A
transverse colon
B
ascending colon
C
descending colon
D
sigmoid colon
13) Distension of the rectum triggers the
A
ileocecal reflex
B
initiation of fecal segmentation
C
defecation reflex
D
release of hormonal secretions
14) Salivary amylase, which is secreted in the mouth, aids in the digestion of
A
all of the above
B
protein
C
carbohydrate
D
fat
15) An enzyme that digests proteins into polypeptides is
A
nuclease
B
trypsin
C
amylase
D
lipase
16) Enzymes involved in fat digestion are called
A
amylases
B
pepsins
C
lipases
D
carboxypeptidases
17) Hydrochloric acid in the stomach functions primarily to
A
activate enzymes involved in protein digestion
B
facilitate lipid digestion
C
hydrolyze peptide bonds
D
facilitate carbohydrate digestion
18) Digested fats are absorbed into the ______and then enter the ______.
A
lacteals; villi
B
bloodstream; lacteals
C
villi; bloodstream
D
villi; lacteals
*select an answer for all questions
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