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WorksheetsGastrointestinal System
Total questions: 27
Worksheet time: 1hrs 21mins
Name
Class
Date
1.
Where does digestion begin?
a)
stomach
b)
small intestine
c)
esophagus
d)
mouth
2.
A bolus is made of:
a)
chewed food and saliva
b)
digested food and chyme
c)
salivary lipase and ptyalin
d)
bile and flatus
3.
The bony structure that forms the roof of the mouth is the:
a)
soft palate
b)
hard palate
c)
maxilla
d)
mandible
4.
The pancreas produces digestive enzymes that empty into the:
a)
gallbladder
b)
stomach
c)
duodenum
d)
liver
5.
The liver secretes bile that aids in the digestion of:
a)
carbohydrates
b)
proteins
c)
fats
d)
gluclose
6.
What part of the large intestine does NOT serve as a passageway for fecal waste?
a)
colon
b)
rectum
c)
anus
d)
appendix
7.
During digestion, food leaves the stomach and enters the:
a)
duodenum
b)
ileum
c)
cecum
d)
jejunum
8.
What a person vomits, what is in the chyme that often causes burning?
a)
rennin
b)
rugae
c)
hydrochloric acid
d)
chymotrypsin
9.
What would happen to food you swallowed if your esophagus did not perform peristalsis?
a)
the food would be stuck in your esophagus
b)
the food would enter your trachea
c)
you would vomit when the food hit your stomach
d)
you would choke
10.
What is the small muscular structure that hangs from the soft palate and can be seen when you look in someone's mouth?
a)
epiglottis
b)
uvula
c)
hard palate
d)
tonsils
11.
Salivary glands produce salivary amylase, which_________.
a)
begins the chemical breakdown of carbohydrates
b)
starts the chemical digestion of fats
c)
converts sugar to energy
d)
begins the chemical breakdown of proteins
12.
The folds in the mucous membrane lining of the stomach are called:
a)
rugae
b)
villi
c)
cilia
d)
sphincters
13.
The enzymes maltase, lactase, and sucrase present in the intestinal juice act on ____________.
a)
sugars
b)
fats
c)
proteins
d)
milk
14.
The organ behind the stomach that produces enzymes and the hormone insulin is the __________.
a)
liver
b)
pancreas
c)
gallbladder
d)
spleen
15.
Which of the following is not a function of the large intestine?
a)
absorption of water and remaining nutrients
b)
production of intestinal juice containing enzymes
c)
transportation of waste products
d)
synthesis of vitamins by bacteria
16.
The function of bile is to________.
a)
chemically break down fats
b)
remove fat-soluble vitamins from foods
c)
emulsify fats and make them water soluble
d)
store fats until needed by the body
17.
The alimentary canal is a long, muscular tube that begins at the mouth and ends at the anus.
a)
Yes
b)
No
c)
Don't Know
18.
The pancreas produces heparin, a substance that prevents clotting of the blood.
a)
Yes
b)
No
c)
Don't Know
19.
In the stomach, food is converted into a semi-fluid material called chyme.
a)
Yes
b)
No
c)
Don't Know
20.
Most of the digestion and absorption takes place in the stomach.
a)
Yes
b)
No
c)
Don't Know
21.
After the food is partially digested by the acid and enzymes in the stomach, it is called bolus.
a)
Yes
b)
No
c)
Don't Know
22.
The liver is the largest gland in the body.
a)
Yes
b)
No
c)
Don't Know
23.
The gallbladder produces bile and stores it until it is needed in the small intestine.
a)
Yes
b)
No
c)
Don't Know
24.
The rectum is a storage area for indigestibles.
a)
Yes
b)
No
c)
Don't Know
25.
The uvula prevents food from entering the nasopharynx during swallowing.
a)
Yes
b)
No
c)
Don't Know
26.
The walls of the small intestine are line with fingerlike projections called______________.
a)
lacteals
b)
caplillaries
c)
villi
d)
rugae
27.
Roberta suffers from car sickness and can only ride on an empty stomach. If she eats at 12:00 pm, what is the soonest she can ride in a car and be sure her stomach is emtpy?
a)
12:00 pm
b)
4:00 pm
c)
1:00 pm
d)
2:00 pm
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