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Digestive System Unit Review

Total questions: 60

Worksheet time: 3600secs

Name
Class
Date
1.

Why does chewing food speed up digestion?

a)

Bacteria in the food are killed

b)

Food is mixed with protease in the mouth

c)

The surface area of the food is increased

d)

The taste of the food is improved

2.

Which process happens first in our alimentary canal?

a)

Digestion

b)

Egestion

c)

Ingestion

d)

Absorption

3.

Letter A ...

a)

Makes hydrochloric acid

b)

Makes bile

c)

Makes amylase

d)

Performs defection

4.

Letter B ...

a)

Makes hydrochloric acid

b)

Makes bile

c)

Makes amylase

d)

Performs ingestion

5.
a)

A

b)

B

c)

C

d)

D

6.

In which structures can you find bile? (choose two)

a)

1

b)

2

c)

3

d)

4

7.

Chewing is an example of _____________ digestion.

a)

Mechanical

b)

Chemical

8.

Protease breaking down proteins is an example of _____________ digestion.

a)

Mechanical

b)

Chemical

9.

______________ makes food particles and molecules small enough to be absorbed into our bloodstream, where they can be used.

a)

Ingestion

b)

Egestion

c)

Digestion

d)

Assimilation

10.
2
a)
Mouth 
b)
Salivary Glands
c)
Small Intestine
d)
Rectum
11.
3
a)
Esophagus
b)
Salivary Glands
c)
Stomach
d)
Pancreas
12.
4
a)
Gallbladder
b)
Liver
c)
Stomach
d)
Pancreas
13.
5
a)
Stomach
b)
Small Intestine
c)
Large intestine
d)
Rectum
14.
6
a)
Stomach
b)
Small Intestine
c)
Large intestine
d)
Rectum
15.
7
a)
Anus
b)
Small Intestine
c)
Large intestine
d)
Rectum
16.
8
a)
Liver
b)
Gallbladder
c)
Appendix
d)
Pancreas
17.
9
a)
Stomach
b)
Small Intestine
c)
Large Intestine
d)
Rectum
18.
10
a)
Stomach
b)
Liver
c)
Gallbladder
d)
Pancreas
19.
11
a)
Stomach
b)
Liver
c)
Gallbladder
d)
Pancreas
20.
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.
21.
What do the villi 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.
22.
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.
23.
Where does digestion begin?
a)
Mouth
b)
Esophagus
c)
Stomach
d)
Small Intestine
24.
Which of the following is an accessory organ?
a)
Stomach
b)
Small Intesting
c)
Liver
d)
Large Intestine
25.

What carries food from the pharynx to the stomach?

a)

larynx

b)

trachea

c)

esophagus

d)

bronchioles

26.

What type of digestion takes place in the stomach?

a)

mechanical

b)

chemical

c)

both mechanical and chemical

27.

What enzyme is found in saliva that starts digesting carbohydrates?

a)

amylase

b)

chyme

c)

pepsin

d)

bile

28.

Where does the absorption of nutrients from food take place?

a)

stomach

b)

liver

c)

small intestine

d)

large intestine

29.

What makes the small intestine have such a large surface area?

a)

length

b)

villi

c)

microvilli

d)

all answers contribute

30.

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

a)

swallowing

b)

peristalsis

c)

inertia contractions

d)

paralysis

31.

What does the pancreas do?

a)

produces digestive enzymes to break down proteins and fats

b)

produces sodium bicarbonate to neutralize stomach acid

c)

regulates our blood sugar levels

d)

all answers are correct

32.

Which organ stores and releases bile?

a)

liver

b)

gallbladder

c)

pancreas

33.

The tube through which food passes through the body is called the

a)

alimentary canal

b)

digestive system

c)

intestines

d)

esophagus

34.
How many adult teeth does a typical human adult have?
a)
30
b)
32
c)
20
d)
36
35.
What is the hard outer covering of the tooth called?
a)
pulp
b)
cementum
c)
dentine
d)
enamel
36.
The center of a tooth made up of living connective tissue and cells called odontoblasts is called the...?
a)
pulp
b)
cementum
c)
dentine
d)
enamel
37.
What are the four front middle teeth called?
a)
incisors
b)
premolars
c)
molars
d)
canines
38.
What are the two teeth just lateral to the four front middle teeth called?
a)
incisors
b)
premolars
c)
molars
d)
canines
39.
Which teeth are identified in this picture?
a)
incisors
b)
premolars
c)
molars
d)
canines
40.
Which teeth are identified in this picture?
a)
incisors
b)
premolars
c)
molars
d)
canines
41.
Another name for canine teeth is...?
a)
cuspids
b)
bicuspids
c)
molars
d)
parotid
42.

What are the contents in your stomach called after mechanical and chemical digestion?

a)

Bolus

b)

Chyme

c)

Food

d)

Feces

43.

An inactive enzyme secreted by the chief cells

a)

Pepsinogen

b)

Pepsin

c)

Hydrochloric acid

d)

Amylase

44.

What is the soft projection at the back of your mouth that helps prevent food and liquid from entering the nasal cavity?

a)

Uvula

b)

Salivary gland

c)

Tongue

d)

Tonsils

45.

Enzyme that breaks down carbohydrates

a)

Amylase

b)

Pepsin

c)

Pepsinogen

d)

Hydrochloric acid

46.

Bumps on the surface of the tongue that provide friction

a)

Papillae

b)

Villi

c)

Rugae

d)

Fundus

47.

What is part "1"?

a)

Fundus

b)

Cardia

c)

Pylorus

d)

Body

48.

What is part "9"?

a)

Duodenum

b)

Jejunum

c)

Ileum

d)

Fundus

49.

What is part "2"?

a)

Body

b)

Pylorus

c)

Fundus

d)

Rugae

50.

What is part "5"?

a)

Cardia

b)

Fundus

c)

Duodenum

d)

Pylorus

51.

having hard, dry bowel movements that are difficult to pass

a)

Diarrhea

b)

Constipation

c)

Gastroenteritis

d)

GERD

52.

This occurs when the contents of the bowel

pass very rapidly into the large intestine, producing

liquid faeces.

a)

Diarrhea

b)

Constipation

c)

Gastroenteritis

d)

Lactase intolerance

53.

This happens when an obstruction occurs in a hollow structure that hangs from the first part of the large intestine

a)

Constipation

b)

Diarrhoea

c)

Appendicitis

d)

Coeliac disease

54.

A condition in which small pouches develop in the digestive tract.

a)

cholecystitis

b)

cirrhosis

c)

diverticulitis

d)

gastroenteritis

55.

inflammation of the liver

a)

cirrhosis

b)

gastroenteritis

c)

hepatitis

d)

ulcer

56.

inflammation of the gallbladder

a)

cholecystitis

b)

cirrhosis

c)

diverticulitis

d)

gastroenteritis

57.

gallstones

a)

cholelithiasis

b)

cholecystitis

c)

hemorrhoids

d)

hernia

58.

swollen and inflamed veins in the rectum and anus that cause discomfort and bleeding

a)

cholelithiasis

b)

cholecystitis

c)

hemorrhoids

d)

hernia

59.

chronic liver damage from a variety of causes leading to scarring and liver failure

a)

cirrhosis

b)

gastroenteritis

c)

hepatitis

d)

ulcer

60.

Inflammation of the membrane lining the abdominal wall and covering the abdominal organs, usually infectious and often life-threatening.

a)

pancreatitis

b)

GERD

c)

peritonitis

d)

ulcer

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