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DIGESTIVE SYSTEM

Total questions: 65

Worksheet time: 44mins

Name
Class
Date
1.

What carries food from the pharynx to the stomach?

a)

larynx

b)

trachea

c)

esophagus

d)

bronchioles

2.

What type of digestion takes place in the stomach?

a)

mechanical

b)

chemical

c)

both mechanical and chemical

3.

Where does the process of digestion begin?

a)

mouth

b)

esophagus

c)

stomach

d)

small intestine

4.

What enzyme is found in saliva that starts digesting carbohydrates?

a)

amylase

b)

chyme

c)

pepsin

d)

bile

5.

Where does the absorption of nutrients from food take place?

a)

stomach

b)

liver

c)

small intestine

d)

large intestine

6.

What chemically breaks down food into smaller molecules?

a)

teeth

b)

muscles of the stomach

c)

enzymes

7.

What are the rhythmic muscular contractions of your esophagus called to help food move along?

a)

swallowing

b)

peristalsis

c)

inertia contractions

d)

paralysis

8.

What are the functions of the digestive system?

a)

digestion, absorption, elimination

b)

ingestion, congestion, elimination

c)

congestion, digestion, elimination

9.

Where does most absorption of nutrients take place?

a)

Stomach

b)

Small intestine

c)

Large intestine

d)

Gall bladder

10.

Where is bile produced?

a)

Kidney

b)

Pancreas

c)

Liver

d)

Small intestine

11.

What are these structures call that are found on the lining of the small intestine?

a)

Gallbladder

b)

Villi

c)

Sphincter

d)

Duodenum

12.

Which organ churns food and uses acid and enzymes to break down food?

a)

stomach

b)

esophagus

c)

mouth

d)

epiglottis

13.

What is the function of the teeth and tongue

a)

chemical digestion

b)

break down food

c)

mechanical digestion

d)

they only chew food

14.

Enzymes in your saliva help break down food, this is an example of ...

a)

Mechanical digestion

b)

Chemical digestion

15.

This organ absorbs water from digested food

a)

small intestine

b)

stomach

c)

villi

d)

large intestine

16.

This organ produces several enzymes that chemically break down food, food does not pass through this organ

a)

liver

b)

pancreas

c)

gall bladder

d)

stomach

17.
What is an example of mechanical digestion?
a)
Churning of the stomach 
b)
 Saliva 
18.
The chewing and grinding of food into smaller pieces is an example of...
a)
Mechanical Digestion
b)
Chemical Digestion
19.
What stores bile?
a)
Colon
b)
Gall Bladder
c)
Small Intestine
20.

The muscular tube that moves food from the pharynx to the stomach?

a)

esophagus

b)

small intestine

c)

stomach

d)

mouth

21.
Enzymes and acids are examples of 
a)
mechanical digestion
b)
chemical digestion
22.
If the liver is not functioning properly, what would most likely be the result?
a)
food would not be able to move into the small intestsine
b)
fats would not be digested
c)
water would not be absored
d)
it would not affect digestion
23.
After dinner, you have a bad case of diarrhea. Which organ is most likely not functioning properly?
a)
stomach
b)
small intestine
c)
large intestine
d)
liver
24.

This organ absorbs water from digested food

a)

small intestine

b)

stomach

c)

villi

d)

large intestine

25.

This organ produces several enzymes that chemically break down food, food does not pass through this organ

a)

liver

b)

pancreas

c)

gall bladder

d)

stomach

26.
What stores bile?
a)
Colon
b)
Gall Bladder
c)
Small Intestine
27.

The muscular tube that moves food from the pharynx to the stomach?

a)

esophagus

b)

small intestine

c)

stomach

d)

mouth

28.
A bolus...
a)
helps digest starch
b)
is a combination of saliva and food
c)
creates antibacterial activity in the mouth
d)
acts as a lubricant
29.
Which structure prevents food from entering the trachea? 
a)
larynx
b)
soft palate
c)
pharynx
d)
epiglottis
30.
Which area is a common area for both food and air? 
a)
pharynx
b)
larynx
c)
soft palate
d)
epiglottis
31.
The involuntary muscular movement of food caused by smooth muscle is called
a)
bolus transport
b)
indigestion
c)
absorption
d)
peristalsis
32.
In the stomach a bolus becomes
a)
chime
b)
liquid
c)
bile
d)
enzymes
33.

The muscular tube that moves food from the pharynx to the stomach?

a)

esophagus

b)

small intestine

c)

stomach

d)

mouth

34.

In the picture, the large organ found in red (which was clearly evident in the rat dissection too) is the

a)

stomach

b)

gallbladder

c)

liver

d)

large intestine

35.

This image shows the digestive process ____, which helps to move food through the GI tract via smooth muscle contraction.

a)

ingestion

b)

segmentation

c)

peristalsis

d)

absorption

36.

Deglutition is to ___ as mastication is to ___.

a)

swallowing; chewing

b)

salivating; swallowing

c)

swallowing; salivating

d)

chewing; salivating

37.

Someone with lactose intolerance:

a)

does not produce lactase

b)

does not have a gallbladder

c)

does not produce salivary amylase

d)

does not produce bile

38.
The mucosa-lined windpipe that extends from the larynx to the 5th thoracic vertebra where it branches into the main bronchi tubes to the lungs. It is reinforced with C-shaped rings of hyaline cartilage.
a)
glottis
b)
pharynx
c)
esophagus
d)
trachea
39.
The Pharynx is shown by letter _______.
a)
A
b)
B
c)
G
d)
H
40.
The Trachea is shown by letter _______.
a)
A
b)
B
c)
G
d)
H
41.
The Left and Right Bronchi are shown by letters _______.
a)
A & B
b)
F & J
c)
E & I
d)
G & H
42.
The muscle that creates negative pressure so that the lungs inflate with air is the Diaphragm and is indicated by letter _______.
a)
F
b)
E
c)
H
d)
K
43.
The Esophagus is indicated by letter ______.
a)
A
b)
B
c)
C
d)
D
44.

The Stomach is indicated by letter ______.

a)

C

b)

D

c)

E

d)

F

45.

The Gallbladder is indicated by letter ______.

a)

C

b)

D

c)

E

d)

F

46.
The Small Intestines are indicated by letter ______.
a)
H
b)
I
c)
G
d)
E
47.

The Ascending Colon (a section of the Large Intestines) is indicated by letter ______.

a)

H

b)

I

c)

G

d)

E

48.
The Pancreas is indicated by letter ______.
a)
H
b)
I
c)
G
d)
E
49.
The process by which the body breaks down food so that it can be used for energy.
a)
composition
b)
digestion
c)
deposition
d)
absorption
50.
A fluid in the mouth that helps digest food.
a)
pepsin
b)
pepsi
c)
saliva
d)
salty
51.
a)
esophagus
b)
liver
c)
stomach
d)
pancreas
52.
a)
stomach
b)
pancreas
c)
large intestine
d)
small intestine
53.
An incisor is located where in the mouth? 
a)
front
b)
back
c)
left side
d)
right side
54.
The oral cavity consists of...
a)
larynx, mouth, pharynx
b)
mouth
c)
mouth and pharynx
d)
mouth, pharynx, and esophagus
55.
Which of the following helps digest starch in the mouth...
a)
salivary amylase
b)
lysozymes
c)
mucin
d)
bolus
56.
A bolus...
a)
helps digest starch
b)
is a combination of saliva and food
c)
creates antibacterial activity in the mouth
d)
acts as a lubricant
57.
Which structure prevents food from entering the trachea? 
a)
larynx
b)
soft palate
c)
pharynx
d)
epiglottis
58.
The involuntary muscular movement of food caused by smooth muscle is called
a)
bolus transport
b)
indigestion
c)
absorption
d)
peristalsis
59.
In the large intestine...
a)
chime is coverted to feces
b)
water and salts are absorbed
c)
E. coli synthesizes Vitamin K. 
d)
all of these
60.
Which type of food is considered a complex carbohydrate?
a)
table sugar
b)
bread
c)
lactose
d)
fructose
61.
Bile emulsifies protein so it is digested easier. 
a)
True
b)
False
62.
Peristalsis is accomplished by skeletal muscles that are oriented in different directions. 
a)
True
b)
False
63.

Which organ is an accessory organ?

a)

mouth

b)

pharynx

c)

stomach

d)

gallbladder

64.

Which organ is part of the alimentary canal?

a)

teeth

b)

pancreas

c)

stomach

d)

liver

65.

What is the function of bile?

a)

thick mucus that protects the mucosa

b)

detergent that emulsifies fats

c)

serves to decrease the pH (increase acidity) in the stomach

d)

serves to increase the pH (increase alkalinity) in the small intestine

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