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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
enterokinase
B
gastrin
C
secretin
D
CCK
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
enterokinase
B
GIP
C
CCK
D
gastrin
4) The hormone that causes the pancreas to release its digestive enzymes into the small intestine is
A
secretin
B
enterogastrone
C
cholecystokinin
D
gastrin
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 lobules
C
pancreatic crypts
D
pancreatic acini
7) The pancreas produces and releases
A
all of the above
B
pancreatic amylase
C
proteases
D
lipases
8) The hormone that causes the gallbladder to release bile is
A
secretin
B
gastrin
C
enterogastrone
D
cholecystokinin
9) The three parts of the large intestine are the
A
sigmoid colon, rectum, and anus
B
transverse, ascending, and descending colons
C
duodenum, jejunum, and ileum
D
cecum, colon, and rectum
10) The major functions of the large intestine are
A
metabolic and hematological regulation
B
absorption and preparation of fecal material for elimination
C
production of vitamins and fecal segmentation
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
mass movements
B
the ileocecal reflex
C
emulsification
D
the defecation reflex
12) At the hepatic flexure, the colon becomes the
A
descending colon
B
sigmoid colon
C
transverse colon
D
ascending colon
13) Distension of the rectum triggers the
A
release of hormonal secretions
B
initiation of fecal segmentation
C
defecation reflex
D
ileocecal reflex
14) Salivary amylase, which is secreted in the mouth, aids in the digestion of
A
carbohydrate
B
fat
C
protein
D
all of the above
15) An enzyme that digests proteins into polypeptides is
A
trypsin
B
nuclease
C
lipase
D
amylase
16) Enzymes involved in fat digestion are called
A
amylases
B
carboxypeptidases
C
lipases
D
pepsins
17) Hydrochloric acid in the stomach functions primarily to
A
facilitate lipid digestion
B
hydrolyze peptide bonds
C
activate enzymes involved in protein digestion
D
facilitate carbohydrate digestion
18) Digested fats are absorbed into the ______and then enter the ______.
A
villi; bloodstream
B
villi; lacteals
C
lacteals; villi
D
bloodstream; lacteals
*select an answer for all questions
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