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Digestive System Test Review

Total questions: 45

Worksheet time: 29mins

Name
Class
Date
1.
The oral cavity consists of...
a)
larynx, mouth, pharynx
b)
mouth
c)
mouth and pharynx
d)
mouth, pharynx, and esophagus
2.
Which of the following helps digest starch in the mouth...
a)
salivary amylase
b)
lysozymes
c)
mucin
d)
bolus
3.
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
4.
Which structure prevents food from entering the trachea? 
a)
larynx
b)
soft palate
c)
pharynx
d)
epiglottis
5.
Which area is a common area for both food and air? 
a)
pharynx
b)
larynx
c)
soft palate
d)
epiglottis
6.
The structure that transports the bolus from the pharynx to the stomach it called...
a)
larynx
b)
trachea
c)
esophagus
d)
pyloric sphincter
7.
The involuntary muscular movement of food caused by smooth muscle is called
a)
bolus transport
b)
indigestion
c)
absorption
d)
peristalsis
8.
In the stomach a bolus becomes
a)

chyme

b)

liquid

c)

bile

d)

enzymes

9.
The main filtration organ of the digestive system is
a)
stomach
b)
gall bladder
c)
pancreas
d)
liver
10.
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
11.
Which of the following is NOT a macronutrient? 
a)
carbohydrate
b)
fat
c)
vitamins
d)
protein
12.
Bile emulsifies protein so it is digested easier. 
a)
True
b)
False
13.
One function of the liver is to secrete bile into the gall bladder. 
a)
True
b)
False
14.
Pancreatic enzymes are for protein digestion ONLY. 
a)
True
b)
False
15.
Peristalsis is accomplished by skeletal muscles that are oriented in different directions. 
a)
True
b)
False
16.
Absorption depends in the stomach. 
a)
True
b)
False
17.

The teeth and tongue of the oral cavity break foodstuff down physically. This is an example of

a)

mechanical digestion

b)

chemical digestion

c)

absorption

d)

peristalsis

18.

Which of the following answers correctly sequences the pathway food takes from the beginning to end?

a)

mouth, esophagus, stomach, small intestine, large intestine

b)

mouth, esophagus, stomach, large intestine, small intestine

c)

mouth, stomach, esophagus, small intestine, large intestine

d)

mouth, stomach, esophagus, large intestine, small intestine

19.

Which organ makes bile to help break down fats?

a)

liver

b)

gallbladder

c)

pancreas

20.

What organ is responsible for the absorption of water and movement of waste?

a)

large intestine

b)

small intestine

c)

stomach

d)

oral cavity

21.

Which of the following helps digest carbohydrates in the mouth...

a)

salivary amylase

b)

lysozymes

c)

mucin

d)

bolus

22.
The chewing and grinding of food into smaller pieces is an example of...
a)
Mechanical Digestion
b)
Chemical Digestion
23.
Type of digestion in the stomach:
a)
Mechanical
b)
Chemical
c)
Both
24.
Nutrients from digested food are absorbed in which digestive organ?
a)
Small Intestine
b)
Stomach
c)
Large Intestine
d)
Gallbladder
25.

What are the fingerlike structures located in the small intestine that absorbs nutrients?

a)

Duodenum

b)

Villi

c)

Bile

d)

Pancreas

26.

Why doesn't the stomach digest itself with hydrochloric acid?

a)

It is lined with villi to protect the lining of the stomach

b)

the lining is covered with mucus to protect itself

c)

the stomach wall becomes immune to the strong acid over time

d)

the stomach walls are made of very thick skeletal muscle.

27.
What is the name of the tube that runs through the body related to the digestive system?
a)
esophagus
b)
alimentary canal
c)
pharynx
d)
ascending canal
28.
Deglutition is another name for
a)
digestion
b)
ingestion
c)
swallowing
d)
defecation
29.
A __________is a sore or lesion that forms in the mucosal lining of the stomach
a)
duodenal ulcer
b)
gastric ulcer
c)
decubitus ulcer
d)
gastritis
30.

T/F: Food moves automatically through our digestive system.

a)

True

b)

False

31.

The role of this organ is to produce chemicals that break down the proteins and fats found in food.

a)

Pancreas

b)

Liver

c)

Stomach

d)

Small Intestine

32.

This occurs when food is physically broken into smaller pieces.

a)

Chemical Breakdown

b)

Mechanical Breakdown

c)

Nutrient Absorption

d)

Dissolving

33.

This occurs when nutrients leave your digestive system and move into your bloodstream.

a)

Diffusion

b)

Absorption

c)

Osmosis

d)

Chemical Breakdown

34.

This is a substance in your stomach that is very strong and helps to chemically break down your food.

a)

Hydorchloric acid

b)

Acetone

c)

Sodium Bicarbonate

d)

Dihydrogen Monoxide

35.
What does mucus do?
a)
Digests food in the mouth.
b)
Digests food in the stomach
c)
Protects the stomach from digesting iteself
d)
Absorbs nutrients from food so the body has energy.
36.
What does saliva do?
a)
Chemically digests food in the mouth.
b)
Chemically digests food in the stomach
c)
Protects the stomach from digesting iteself
d)
Absorbs nutrients from food so the body has energy.
37.
Why do we eat food?
a)
To keep our stomachs full
b)
To put oxygen into the body cells
c)
To get nutrients and energy
d)
To make waste products
38.
Which of the following is an accessory organ?
a)
Stomach
b)
Small Intesting
c)
Liver
d)
Large Intestine
39.
Which enzyme below is involved in the following chemical digestion process?
FATS---->FATTY ACIDS/GLYCEROL
a)
Lipase
b)
Trypsin
c)
Amylase
d)
Pepsin
40.
Where in the body would HCl be found?
a)
Mouth
b)
Esophagus
c)
Liver
d)
Stomach
41.
The mouth contains salivary glands which produce
a)
polysaccharides
b)
amylases
c)
proteases
d)
lipases
42.
Protein digestion begins in the
a)
mouth
b)
esophagus
c)
stomach
d)
liver
43.
Pepsin is an enzyme that acts on
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
44.
Digestion is COMPLETED in the
a)
stomach
b)
liver
c)
small intestine
d)
large intestine
45.

Which enzyme below is involved in the following chemical digestion process?

PROTEINS---->AMINO ACIDS

a)

Lipase

b)

Amylase

c)

Pepsin

d)

Maltase

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