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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
CCK
B
enterokinase
C
secretin
D
gastrin
2) An intestinal hormone that stimulates the release of insulin from the pancreatic islet cells is
A
enterokinase
B
GIP
C
secretin
D
enterocrinin
3) The intestinal hormone that stimulates parietal cells and chief cells in the stomach to secrete is
A
gastrin
B
GIP
C
enterokinase
D
CCK
4) The hormone that causes the pancreas to release its digestive enzymes into the small intestine is
A
cholecystokinin
B
secretin
C
gastrin
D
enterogastrone
5) The primary function(s) of the liver include(s)
A
hemotological regulation
B
synthesis and secretion of bile
C
metabolic regulation
D
all of the above
6) The exocrine portion of the pancreas is composed of
A
pancreatic crypts
B
islets of Langerhans
C
pancreatic acini
D
pancreatic lobules
7) The pancreas produces and releases
A
proteases
B
all of the above
C
pancreatic amylase
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
duodenum, jejunum, and ileum
B
transverse, ascending, and descending colons
C
cecum, colon, and rectum
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
emulsification
B
the defecation reflex
C
the ileocecal reflex
D
mass movements
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
ileocecal reflex
B
defecation reflex
C
release of hormonal secretions
D
initiation of fecal segmentation
14) Salivary amylase, which is secreted in the mouth, aids in the digestion of
A
carbohydrate
B
protein
C
fat
D
all of the above
15) An enzyme that digests proteins into polypeptides is
A
trypsin
B
amylase
C
lipase
D
nuclease
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
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; lacteals
B
villi; bloodstream
C
bloodstream; lacteals
D
lacteals; villi
*select an answer for all questions
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