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WorksheetsDigestive System
Total questions: 107
Worksheet time: 57mins
Name
Class
Date
1.
Stomach empties into...
a)
duodenum
b)
large intestine
c)
esophagus
d)
rectum
2.
cardiac sphincter connects esophagus to
a)
liver
b)
pancreas
c)
small intestine
d)
stomach
3.
oropharynx is superior to
a)
esophagus
b)
stomach
c)
pancreas
d)
liver
4.
gastrin is released in the
a)
esophagus
b)
stomach
c)
duodenum
d)
pacreas
5.
the trachea is inferior to
a)
stomach
b)
pharynx
c)
esophagus
d)
epiglottis
6.
pancreas releases
a)
biile
b)
amylase
c)
saliva
d)
bacterial flora
7.
large intestine empties
a)
rectum
b)
anus
c)
appendix
d)
esophagus
8.
amylase is released by
a)
liver;stomach
b)
esophagus;liver
c)
pancreas;mouth
d)
mouth;stomach
9.
mechanical digestion
a)
chemical food breakdown
b)
physical food breakdown
c)
absorption
d)
ingestion
10.
chemical digestion is
a)
mechanical food breakdown
b)
chemical breakdown of food (buffers, salts, enzymes)
11.
correct order of food movement
a)
anus, stomach, rectum, esophagus, pharynx, small intestine, large intest, mouth
b)
mouth, pharynx, esopahgus, stomach, small intestine, large intest, rectum, anus
c)
mouth, esophagus, pharynx, stomach, small intestine, large intest, rectum, anus
d)
mouth, phraynx, esophagus, stomach, small intestine, large intest, anus, rectum
12.
ingestion
a)
chemical breakdown
b)
absorption
c)
defecation
d)
food intake
13.
put the following in pairs: liver;
a)
liver
b)
appendix
c)
large intestine
d)
small intestine (duodenum)
14.
pancreas
a)
large intestine
b)
small intestine (dusodenum)
c)
liver
d)
esophagus
15.
stomach;
a)
small intestine (duodenum)
b)
liver
c)
large intestine
d)
rectum
16.
liver;
a)
large intestine
b)
small intestine
c)
rectum
d)
esophagus
17.
rectum;
a)
mouth
b)
esophagus
c)
anus
d)
stomach
18.
mouth
a)
stomach
b)
pharynx
c)
anus
d)
liver
19.
small intestine
a)
gallbladder
b)
liver
c)
pancreas
d)
large intestine
20.
esophagus
a)
liver
b)
sromach
c)
pancreas
d)
small intestine
21.
Releases HCL, gastric juices, gastrin, and pepsin
a)
stomach
b)
liver
c)
pharaynx
d)
oropharanyx
22.
Releases bile salts and emulsifies to aid in fat breakdown
a)
esophagus
b)
pancreas
c)
liver
d)
GI tract
23.
releases digestive enzymes, hormones, and bicarbonate ions
a)
stoamch
b)
esophagus
c)
large intestine
d)
small intestine (duodenum)
24.
produces water, mucus, and salivary amylase
a)
mouth
b)
gallbladder
c)
anus
d)
esophagus
25.
absorbs water, and ions while bacteria aid digestion
a)
appendix
b)
small intestine
c)
large intestine
d)
stomach
26.
has an internal and external sphincter to release feces
a)
anus
b)
ascending colon
c)
large intestine
d)
rectum
27.
location of food ingestion
a)
stomach
b)
mouth
c)
esophagus
d)
small intestine
28.
solution of water, mucus, and amylase
a)
ions
b)
bile
c)
salts
d)
saliva
29.
hardest material in the body
a)
bone
b)
enamel
c)
cartilage
d)
keratin
30.
holds digestive viscera in place
a)
lesser omentum
b)
greater omentum
c)
lymphatic vessels
d)
mesentery
31.
covers liver and stomach (superior)
a)
greater omentum
b)
lesser omentum
32.
"lacy apron" of fat deposits and lymph nodes that covers intestines. (inferior)
a)
greater omentum
b)
lesser omentum
33.
lines body cavity and covers visceral organs
a)
lesser omentum
b)
greater omentum
c)
mesentery
d)
peritoneum
34.
moist epithelial membrane named after secretion of goblet cells
a)
mucosa
b)
muscularis externa
c)
serosa
d)
peritoneum
35.
Has these layers: mucosa, submucosa, muscularis externa, and serosa
a)
mucosa
b)
alimentary canal
c)
submucosa
d)
stomach
36.
What do the following structures have in common: RBC's, villi, alveoli, microvilli
a)
they aid in digestion by secreting bile
b)
decrease surface area
c)
increase surface area
d)
all of te above
37.
What is the purpose of mechanical digestion?
a)
decrease surface area to allow reactions
b)
maintain surface area to prevent reactions
c)
increase surface area; mix water w/ enzymes allow reactions
d)
protects esophagus
38.
Which organ is the primary site of enzymatic breakdown and food absorption?
a)
small intestine (duodenum)
b)
mouth
c)
stomach
d)
large intestine
39.
Of the extrinsic controls, which system inhibits digestive activities?
a)
parasympathetic
b)
sympathetic
40.
How often are the epithelial cells of the intestine replaced?
a)
120 days
b)
3-6 days
c)
5-10 days
d)
20-25 days
41.
What do jaundice, hepatitis, and cirrhosis have in common?
a)
pancreas related
b)
esophagus related
c)
stomach related
d)
liver related
42.
Nutrient-rich blood from GI tract and spleen > liver > inferior vena cava
a)
hepatic portal vein
b)
hepatic artery
43.
Supplies oxygenated blood to liver (25%)
a)
hepatic portal vein
b)
hepatic artery
44.
When "potty-trained" a child is gaining control over what anal sphincter?
a)
external
b)
internal
45.
Ferments some indigestible carbs, releases gases, synthesizes certain B and K vitamins
a)
the mucosa layer of the alimentary canal
b)
HCL of the stomach
c)
mutualistic bacterial fauna of the intestine
d)
the acinary cells of the liver
46.
When food looks/smells good, this activates the cephalic phase within:
a)
the brain, sympathetic (extrinsic factor)
b)
the brain, parasympathetic (extrinsic factor)
47.
What epithelial tissue lines the mouth?
a)
stratified squamous
b)
simple columnar
48.
What epithelial tissues lines the esophagus?
a)
stratified squamous
b)
simple columnar
c)
both stratified squamous and simple columnar
49.
What epithelial tissue lines the stomach?
a)
simple columnar
b)
stratified sq
50.
What epithelial tissue lines the stomach?
a)
simple columnar
b)
stratified sq
51.
What epithelial tissue lines the small and large intestine?
a)
stratified squamous
b)
simple columnar
52.
What epithelial tissue lines the anus?
a)
stratified squamous
b)
simple columnar
53.
What is the function of the gallbladder?
a)
secretes insulin and glucagon
b)
stores and concentrates bile, helps in fat digestion
c)
secrete mucus; reduces friction in GI tract
54.
In the pancreas, which cells are exocrine?
a)
acinary cells
b)
beta cells
c)
alpha cells
55.
Which cells secrete pancreatic juices, neutralize acid chyme, and has enzymes to digest foods?
a)
alpha cells
b)
beta cells
c)
acinary cells
d)
alpha and beta cells
56.
Which cells secrete glucagon?
a)
alpha cells
b)
beta cells
c)
acinary cells
57.
Which cells secrete insulin?
a)
alpha cells
b)
beta cells
c)
acinary cells
58.
Which best describes the mucosa layer of the GI tract?
a)
avascular, nerves, blood
b)
blood, lymph vessels, nerves
c)
blood, lymph vessels, connective tissue
59.
This fluid begins the breakdown of starches and sugars.
a)
saliva
b)
HCL
c)
bile
60.
correct order of absorption
a)
intestinal mucosa > intestinal lumen > bloodstream
b)
intestinal lumen > intestinal mucosa > bloodstream
c)
blood steam > intestinal lumen > intestinal mucosa
61.
mechanorecptors respond to?
a)
peristalsis
b)
stretching
c)
osmolarity
62.
chemoreceptors respond to
a)
stretching
b)
persitalsis
c)
osmolarity, pH, food substrate, products of digestion
63.
chemoreceptors respond to
a)
ood substrate, products of digestion
b)
stretching
c)
peristalsis
64.
Receptors initiate reflexes, which:
a)
activate glands, and mix contents along GI tract
b)
initiate secretion of insulin and glucagon by cells in liver
c)
increase peristalsis and causes haustra contractions
65.
Role of circular and longitudinal muscles in peristalsis
a)
promote perstalsis, which moves chyme along GI tract
b)
Inhibit perstalsis, to prevent movement of chyme
66.
____ is the transport of molecules from intestinal lumen>intestinal mucosa>bloodstream
a)
ingestion
b)
absorption
c)
defecation
d)
secretion
67.
How is bolus different from chyme?
a)
there is difference
b)
chyme becomes bolus
c)
bolus pushes chyme along GI tract
d)
bolus becomes chyme
68.
Where is chyme found?
a)
stomach
b)
esophagus
c)
mouth
d)
anus
69.
Where is blous found?
a)
stomach
b)
esophagus
c)
gallbladder
d)
liver
70.
What organic molecule is broken down in the stomach
a)
DNA
b)
lipids
c)
protein
71.
Which 2 chemicals breakdown protein?
a)
bile and amylase
b)
pepsin and amylase
c)
pepsin and HCl
72.
Which sphincter empties the stomach?
a)
pyloric
b)
external
c)
internal
73.
causes urge for bowel movement when food enters stomach
a)
hasutra reflex
b)
gastrocolic reflex
c)
gastroileal reflex
74.
When food enters the stomach causes ileal contractions to relax.
a)
haustra reflex
b)
gastrocolic reflex
c)
gastroileal reflex
75.
What bacteria is found in digestive tract?
a)
bacterial flora
b)
bacterial fauna
c)
there is not bacteria
76.
Which anal sphincter is controlled by the CNS?
a)
voluntary
b)
involuntary
77.
What division controls the involuntary sphincter?
a)
sympathetic
b)
parasympathetic
78.
Absorbs water and minerals
a)
large intestine
b)
small intestine
79.
primary location for absorption of MOST food molecules
a)
large intestine
b)
small intestine
80.
Specialized to absorb fat
a)
bile
b)
mucus
c)
muscosa layer
d)
lacteal
81.
Contain undigested food, sloughed off epithelial cells, and dead/living bacteria
a)
bile
b)
feces
c)
saliva
d)
chyme
82.
What membrane lines the intestines?
a)
greater omentum
b)
lesser omentum
c)
parietal peritoneum
d)
visceral peritoneum
83.
What membrane lines the abdominal wall?
a)
greater omentum
b)
lesserr omentum
c)
parietal peritoneum
d)
visceral peritoneum
84.
Which membrane HOLDS digestive viscera in place?
a)
visceral peritoneum
b)
mesentery
c)
greater omentum
85.
Which membrane LINES the digestive viscera
a)
grater omentum
b)
lesser omentum
c)
parietal peritoneum
d)
visceral peritoneum
86.
Where is dentin?
a)
root
b)
gums
c)
under the enamel crown
d)
above enamel crown
87.
What does the periodontal ligament do?
a)
holds teeth in socket and pulp cavity
b)
protects the enamel
c)
holds teeth to nerves
88.
Has skeletal muscle to control release if feces.
a)
large intestine
b)
anus
c)
rectum
d)
duodenum
89.
Moist epithelial membrane, secretes mucus, absorbs end products of digestion, protects
a)
mucosa
b)
submucosa
c)
muscularis externa
d)
serosa
90.
Connective tissue that supports epithelium
a)
mucosa
b)
submucosa
c)
muscularis externa
d)
serosa
91.
Connective tissue that supports epithelium
a)
mucosa
b)
submucosa
c)
muscularis externa
d)
serosa
92.
Double layer of smooth muscle tissue
a)
mucosa
b)
submucosa
c)
muscularis externa
d)
externa
93.
Connective tissue also called visceral peritoneum
a)
mucosa
b)
submucosa
c)
muscularis externa
d)
serosa
94.
What are the functions of the liver?
a)
Detoxies poisons and packages fatty acids
b)
makes plasma proteins and degrades hormones/drugs
c)
forms non-essential amino acids and converts amonia to urea
d)
all of the above
95.
What layer is this?
a)
mucosa
b)
submucosa
c)
muscularis externa
d)
serosa
96.
What is shown in red?
a)
root
b)
pulp
c)
enamel
d)
dentin
97.
What is shown in red?
a)
root
b)
pulp
c)
enamel
d)
dentin
98.
What is this?
a)
pancreas
b)
salivary glands
c)
esophagus
d)
gallbladder
99.
What cells are pointed by the red and the blue pen?
a)
transitional (red); simple columnar (blue)
b)
stratified squamous (red); simple columnar (blue)
c)
stratified squamous
(blue); simple columnar (red)
(blue); simple columnar (red)
100.
This microscope slide shows the...
a)
small intestine
b)
Gastrophageal junction
c)
external anal sphincter
d)
visceral peritoneum
101.
The following shows...
a)
Pyloric part of the stomach
b)
submucosa layer
c)
greater omentun
d)
gastrophageal junction
102.
The villi are lined by what cells?
a)
stratified columnar
b)
simple columnar
103.
finger-like projections that increase surface area for absorption
a)
villi
b)
microvilli
c)
serous
d)
cilia
104.
The lymph nodules in the ileum of the small intestine are called?
a)
Axillary Nodes
b)
Lymphatic vessels
c)
Peyer's Patches
105.
The following shows..
a)
small intestine
b)
large intestine
c)
stomach
d)
esophagus
106.
These are...
a)
alpha cells
b)
beta cells
c)
acinary cells
107.
What is considered a vestigial organ?
a)
gallbladder
b)
illeum of the small intestine
c)
appendix
d)
liver
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