WorksheetsDigestive System
Total questions: 100
Worksheet time: 1hrs 13mins
The four functions of the digestive system are ingestion, digestion, (a) , and defacation
The twomain groups of the digestive system are
Alimentary canal
GI tract
Accesory organs
esophagus
These organs are part of the Alimentary canal.
Mouth
pancreas
esophagus
pharynx
These organs are part of the alimentary canal.
large/ small intestines
stomach
lungs
anus
This part of the oral cavity protects the anterior opening.
tongue
soft palate
lips
uvula
What part of the oral cavity makes up the lateral walls.
(a)
The (a) forms the anterior roof.
The soft palate forms the (a) roof.
The _________ is a leshy projection of the soft palate.
tongue
tonsils
uvula
cholera
space between lips externally and teeth and gums internally
(a)
area contained by the teeth
(a)
attached at hyoid bone and styloid processes of the skull, and by the lingual frenulum to the floor of the mouth
(a)
2 types of tonsils
lingual
stomatic
esophageal
palatine
(a) is the chewing of food.
Mixing masticated food with saliva Allows for the sense of
(a)
swallowing is initiated by the
hard palate
soft palate
tongue
uvula
This part of the pharynx is not a part of the digestive system
nasopharynx
oropharynx
Laryngopharynx
this part of the pharynx is posterior to oral cavity
nasopharynx
oropharynx
laryngopharynx
this part of the pharynx is below the oropharynx and connected to the esophagus
nasopharynx
oropharynx
laryngopharynx
The pharynx serves as a passageway for _______ and ________.
(a)
Food is propelled to the esophagus by the __________ inner layer and the ___________ outer layer.
longitudinal, circular
long, short
circular, longitudinal
short, long
Food movement by alternating contractions of the muscle layers
(a)
The esophagus is about ___ inches long.
7
5
10
13
The esophagus runs from the _______ to the __________ through the __________.
(a)
Conducts food by peristalsis and is a passageway for (a) only.
The innermost layer of the Alimentary canal organs is the
mucosa
submucosa
mucularis externa
serosa
The second innermost layer of the alimentary canal organs is the
mucusa
submucosa
mucularis externa
serosa
the outermost layer of the alimentary canal organs is the
mucosa
submucosa
mucularis externa
serosa
The second outermost layer of the Alimentary canal organs is the
mucosa
submucosa
mucularis externa
serosa
Mucosa consists of
Surface epithelium
Small amount of connective tissue
Small smooth muscle layer
nerve endings
which is false about the submucosa
Soft connective tissue
contains blood vessels
contains nerve endings
contains lymphatics
Just beneath the serosa
The mucularis externa is smooth muscle that consists of an inner circular layer and an __________ ___________ layer.
(a)
The serosa contains _______-producing cells.
water
fluid
enzyme
chemical
(a) peritoneum—outermost layer that is continuous with the innermost layer
(a) peritoneum—innermost layer that lines the abdominopelvic cavity
The stomach is on the right side of the abdominal cavity.
True
False
Food enters the stomach at the (a) sphincter.
Food leaves the stomach at the (a) sphincter.
Region of the stomach near the heart
Cardiac region
fundus
body
pylorus
expanded portion lateral to the cardiac region
cardiac region
fundus
body
pylorus
midportion of the stomach
cardiac region
fundus
body
pylorus
funnel-shaped terminal end of the stomach
cardiac region
fundus
body
pylorus
internal folds of the mucosa
(a)
Lesser curvature— (a) medial surface
Greater curvature— (a) lateral surface
The ________ is composed of the lesser and greater __________ which connects the accessory organs to the alimentary canal.
(a)
The stomach serves as a temporary storage tank for food and the Site of
(a)
Chemical breakdown of _________ begins in the stomach
Enzymes
protien
fiber
potassium
The stomach delivers (a) (processed food) to the small intestine
Mucosa epithelium cells are
simple
complex
columnar
cuboidal
Mucous ___________ cells produce a sticky alkaline mucus
head
arm
neck
body
_____________ glands are situated in gastric pits and secrete gastric juice
intestinal
pancreatic
gastric
stomatic
____________ cells—produce protein-digesting enzymes (pepsinogens)
gastric
chief
mucosa
epithelial
cells produce hydrochloric acid
(a)
Enteroendocrine cells produce (a)
The body’s major digestive organ and Site of nutrient absorption into the blood
stomach
large intestine
small intestine
colon
The small intestines are a muscular tube extending from the pyloric sphincter to the
Cardioesophageal shpincter
ileocecal valve
stomach
throat
The intestines are suspended from the posterior abdominal wall by the
omentum
perineum
mesentary
nerve endings
The three parts of the small intestine
Duodenum
Ileum
Ischeum
Jejunum
Chemical digeston enzymes are produced by the
Intestinal cells
Liver cells
Pancreas
Gall bladder
What carries enzymes to the small intestines?
(a)
Where is bile formed?
Small intestines
Pancreas
Kidneys
Liver
The structural modifications in the small intestines that increase surface area.
Villi
Circular folds
Rugae
Microvilli
The large intestine Frames the internal abdomen and is _______ in diameter, but _________ in length, than the small intestine
(a)
Sac-like first part of the large intestine.
Cecum
Appendix
Accumulation of lymphatic tissue that sometimes becomes inflamed.
Cecum
Appendix
Part of the colon that travels up the right side of the abdomen.
Ascending
Transverse
Descending
sigmoid
Part of the colon that travels across the abdominal cavity.
Ascdending
Transverse
Descending
Sigmoid
Part of the colon that travels down the left side of the abdomen.
Ascending
Transverse
Descending
Sigmoid
The part of the colon that enters the pelvis
Ascending
Transverse
Descending
Sigmoid
The external anal sphincter is under ________ control while the _________ anal sphincter is under involuntary control.
(a)
There are villi in the large intestines.
true
false
Muscularis externa layer is reduced to _______ bands of muscle called teniae coli.
These bands cause the wall to pucker into haustra.
1
5
3
7
_________cells produce alkaline mucus which lubricates the passage of feces
Neck
Cheif
Goblet
small
People have (a) deciduous teeth
A full set of permanent teeth is (a) teeth. Wisdom teeth may also appear between the ages of 17 and 25.
these teeth are for cutting
incisors
canines
premolars
molars
These teeth are for piercing
incisors
canines
premolars
molars
These teeth are to grind up food
incisors
canines
premolars
molars
Exposed part of the tooth
crown
enamel
dentin
pulp cavity
root canal
hardest substance in the body
crown
enamel
dentin
pulp cavity
root canal
found deep to the enamel and forms the bulk of the tooth
crown
enamel
dentin
pulp cavity
root canal
contains connective tissue, blood vessels, and nerve fibers
crown
enamel
dentin
pulp cavity
root canal
where the pulp cavity extends into the root
crown
enamel
dentin
pulp cavity
root canal
Region of a tooth in contact with the gum
neck
head
crown
this part of the tooth is below the gum and is covered by cementum
crown
neck
root
choose all that are salivary glands
parotid gland
lymph gland
sublingual gland
submandibular gland
Which is flase about saliva
Mixture of mucus and serous fluids
Helps to form chyme
Contains salivary amylase to begin starch digestion
Dissolves chemicals so they can be tasted
Which accesory organ is found posterior to the parietal peritoneum
and extends across the abdomen from spleen to duodenum
(a)
Which hormones does the pancreas create
insulin
immunoglobulin
glucagon
ACTH
What is the largest gland in the body.
(a)
The liver is lovated on the ____ side of the body and consists of _ lobes
right
left
3
4
The liver is connected to the ___________ via the common hepatic duct
gall bladder
liver
spleen
kidney
The liver produces bile which is composed of bile salts, bile pigments, and what else?
Cholesterol
Phospholipids
Electrolytes
fat
The function of bile is to _________ fats.
build up
break down
refine
create
Sac found in hollow fossa of liver
pancreas
gall bladder
liver
spleen
When no digestion is occurring, bile backs up the (a) duct for storage in the gallbladder
When digestion of fatty food is occurring, bile is introduced into the (a) from the gallbladder
Gallstones are caused by the crystalization of
sugar
salt
cholesterol
fat
The average lifespan of a brown rat is
6 months
20 years
2 years
7 years
