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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
defecation
B
segmentation
C
mass peristalsis
D
pendular movements
2) The functions of the oral cavity include
A
the initial digestion of lipids and carbohydrates
B
all of the above
C
mechanical processing of food
D
lubrication and evaluation of material before swallowing
3) Functions of the tongue include
A
mechanical processing of food
B
sensory analysis of food
C
manipulation of food
D
all of the above
4) During swallowing, the
A
larynx elevates
B
epiglottis closes
C
all of the above
D
soft palate elevates
5) Secretions from the salivary glands
A
are mostly digestive enzymes
B
help control bacterial populations in the mouth
C
provide analysis before swallowing
D
all of the above
6) Food is initially ground and torn into smaller pieces by the teeth. Typically, adults have _____incisors, ______cuspids, ______bicuspids, and_____molars.
A
8,4,8,6
B
8,4,8,12
C
8,8,4,12
D
4,2,8,6
7) Salivary amylase is an enzyme, produced and released by the salivary glands, that partially digests
A
proteins
B
all of the above
C
carbohydrates
D
fats
8) The tongue is controlled by the _____nerve
A
facial
B
vagus
C
glossopharyngeal
D
abducens
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
gustatory;facial
D
papillary;trigeminal
10) During the swallowing process, the _____closes off the _____.
A
glottis;trachea
B
epiglottis;esophagus
C
epiglottis;trachea
D
glottis;esophagus
11) Of the following selections, the one which is not a function of the stomach is
A
mechanical breakdown of food
B
denaturation of protein
C
storage of ingested food
D
digestion of carbohydrates and fats
12) The greater omentum is
A
attached to the stomach at the lesser curvature
B
important in the digestion of fats
C
a fatty sheet that hangs like an apron over the abdominal viscera
D
the major portion of the stomach
13) Gastric pits are
A
ridges in the body of the stomach
B
pockets in the lining of the stomach that contain secretory cells
C
involved in absorption of liquids from the stomach
D
areas in the stomach where proteins are denatured
14) The three divisions of the small intestine are
A
fundus, body, and pylorus
B
buccal, pharyngeal, and esophageal
C
cephalic, gastric, and intestinal
D
duodenum, jejunum, and ileum
15) In the small intestine, immediate acceleration of glandular secretions and peristaltic activity in all intestinal segments is initiated by
A
the gastroenteric reflex
B
the gastroileal reflex
C
the plicae circularis
D
the sympathetic stimulation
16) The bulk of chemical digestion and absorption of nutrients into the bloodstream occurs in the
A
jejunum
B
cecum
C
duodenum
D
ileum
17) In order for nutrients to leave the small intestine and enter the bloodstream, the nutrients must be absorbed through the
A
lacteals
B
mucosal glands
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
GIP
C
CCK
D
gastrin
19) The hormones cholecystokinin and secretin are released by the
A
gallbladder
B
liver
C
pancreas
D
small intestine
20) The intestinal hormone that stimulates the pancreas to release a watery secretion that is
A
enterocrinin
B
gastrin
C
cholecystokinin
D
secretin
*select an answer for all questions
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