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The Digestive System Part 2
Test Description: Dig system 2
Instructions: Answer all questions to get your test result.
1) Strong contractions of the ascending and transverse colon that move the contents of the colon toward the sigmoid colon are called
A
segmentation
B
pendular movements
C
mass peristalsis
D
defecation
2) The functions of the oral cavity include
A
mechanical processing of food
B
the initial digestion of lipids and carbohydrates
C
lubrication and evaluation of material before swallowing
D
all of the above
3) Functions of the tongue include
A
all of the above
B
manipulation of food
C
sensory analysis of food
D
mechanical processing of food
4) During swallowing, the
A
epiglottis closes
B
larynx elevates
C
all of the above
D
soft palate elevates
5) Secretions from the salivary glands
A
provide analysis before swallowing
B
all of the above
C
help control bacterial populations in the mouth
D
are mostly digestive enzymes
6) Food is initially ground and torn into smaller pieces by the teeth. Typically, adults have _____incisors, ______cuspids, ______bicuspids, and_____molars.
A
4,2,8,6
B
8,4,8,6
C
8,4,8,12
D
8,8,4,12
7) Salivary amylase is an enzyme, produced and released by the salivary glands, that partially digests
A
carbohydrates
B
proteins
C
fats
D
all of the above
8) The tongue is controlled by the _____nerve
A
abducens
B
facial
C
vagus
D
glossopharyngeal
9) When the_____cells of the tongue are activated, they send signals to the brain via the _____nerve to interpret the flavor of food
A
none of the above
B
tastebuds;facial
C
papillary;trigeminal
D
gustatory;facial
10) During the swallowing process, the _____closes off the _____.
A
epiglottis;esophagus
B
glottis;esophagus
C
glottis;trachea
D
epiglottis;trachea
11) Of the following selections, the one which is not a function of the stomach is
A
storage of ingested food
B
denaturation of protein
C
digestion of carbohydrates and fats
D
mechanical breakdown of food
12) The greater omentum is
A
the major portion of the stomach
B
a fatty sheet that hangs like an apron over the abdominal viscera
C
attached to the stomach at the lesser curvature
D
important in the digestion of fats
13) Gastric pits are
A
involved in absorption of liquids from the stomach
B
ridges in the body of the stomach
C
pockets in the lining of the stomach that contain secretory cells
D
areas in the stomach where proteins are denatured
14) The three divisions of the small intestine are
A
buccal, pharyngeal, and esophageal
B
duodenum, jejunum, and ileum
C
fundus, body, and pylorus
D
cephalic, gastric, and intestinal
15) In the small intestine, immediate acceleration of glandular secretions and peristaltic activity in all intestinal segments is initiated by
A
the plicae circularis
B
the gastroenteric reflex
C
the sympathetic stimulation
D
the gastroileal reflex
16) The bulk of chemical digestion and absorption of nutrients into the bloodstream occurs in the
A
duodenum
B
jejunum
C
ileum
D
cecum
17) In order for nutrients to leave the small intestine and enter the bloodstream, the nutrients must be absorbed through the
A
mucosal glands
B
lacteals
C
villi
D
gastric pits
18) The hormone that causes the release of insulin into the bloodstream when glucose is present in the small intestine is
A
secretin
B
gastrin
C
GIP
D
CCK
19) The hormones cholecystokinin and secretin are released by the
A
pancreas
B
liver
C
gallbladder
D
small intestine
20) The intestinal hormone that stimulates the pancreas to release a watery secretion that is
A
gastrin
B
cholecystokinin
C
secretin
D
enterocrinin
*select an answer for all questions
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