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Haversian System Structure

Total questions: 40

Worksheet time: 21mins

Name
Class
Date
1.
The functional unit that makes up compact bone is called the
a)
Osteon
b)
Trabeculae
c)
Central Canal
d)
Osteocyte
2.
What part of an osteon is number 3 pointing to?
a)
Lamellae
b)
Central Canal
c)
Osteocyte
d)
Canaliculi
3.
What is B pointing to?
a)
Osteocyte
b)
Canaliculi
c)
Lacunae
d)
Lamellae
4.
A mature bone cell is called a _________.
a)
osteon
b)
osteocyte
c)
osteoclast
d)
osteoblast
5.
what are the rings around the haversian canal called?
a)
lacunae
b)
lamella
c)
osteocyte
d)
volkmann's canal
6.
An osteocyte "lives" in __.
a)
lacunae
b)
lamellae
c)
Haversian canals
d)
Volkmann's canals
7.

What can be found in the central canal of the haversian canal system?

a)

osteocytes

b)

lamella

c)

blood vessels and nerves

d)

red blood cells

8.

Compact bone is made of

a)

trabeculae

b)

osteons

c)

canaliculi

d)

central canals

9.
Structure #2 is the 
a)
medullary cavity
b)
periosteum
c)
epiphysis
d)
diaphysis
10.
Structure #5 is the 
a)
medullary cavity
b)
periosteum
c)
epiphysis
d)
diaphysis
11.
Osteon is or Haversian Canal System...
a)
A microscopic cylindrical-shaped unit of compact bone. 
b)
Knobby end of a long bone 
c)
Strong, tough, fibrous connective tissue covering the bone. 
d)
porous units pf spongy bone 
12.
The lacunae of an osteon
a)
Hold osteocytes
b)
Are cylindrical
c)
Helps with ossification
13.
In bone the hollow central tube of an osteon that contains nerves and blood vessels.
a)
cartilage
b)
coxal bones
c)
pectoral girdle
d)
haversian canal
14.
Structure #4 is a/n
a)
osteon
b)
osteocyte
c)
lacuna
d)
osteoblast
15.
Structures #8, the cavities surrounding structures #5, are the
a)
osteons
b)
lamellae
c)
lacunae
d)
osteocytes
16.
Structure #7 is a/n 
a)
canaliculi
b)
perforating (Volkmann's canals
c)
central (Haversian) canals
d)
osteocytes
17.

What is does the picture show?

a)

An osteon

b)

A hair follicle

c)

Hyaline cartilage

d)

A flat bone

18.

The space labeled "4" is known as a:

a)

lamella

b)

osteon

c)

lacuna

d)

canaliculus

19.

The concentric circles of lacuna and bony matrix located around a central canal are known as:

a)

bones

b)

marrow

c)

lamellae

d)

osteocytes

20.

Immature bone cells New bone matrix – osteoid

a)

Osteogenic cells

b)

Osteoblasts

c)

Osteocytes

d)

Osteoclasts

21.

Only one found in a lacuna and the Main bone cells

a)

Osteogenic cells

b)

Osteoblasts

c)

Osteocytes

d)

Osteoclasts

22.

Large multi-nucleated cells - It is responsible of resorption

a)

Osteogenic cells

b)

Osteoblasts

c)

Osteocytes

d)

Osteoclasts

23.

Identify the structure circled in red.

a)

osteon

b)

Haversian system

c)

central Haversian canal

d)

perforating Volkmann's canal

e)

osteocyte in lacuna

24.

Identify the structures circled in yellow.

a)

osteons

b)

medullary cavity

c)

central Haversian canal

d)

perforating Volkmann's canal

e)

osteocyte in lacuna

25.

Identify the structures circled in red.

a)

osteons

b)

medullary cavity

c)

central Haversian canal

d)

perforating Volkmann's canal

e)

osteocytes in lacunae

26.

Which term refers to a layer of bone tissue?

a)

osteon

b)

canaliculi

c)

lamella

d)

lacuna

e)

trabecula

27.

Identify the specific structure at arrow 8

a)

osteon

b)

perforating Volkmann's canal

c)

concentric lamellae

d)

central Haversian canal

e)

medullary cavity

28.

Identify the specific structure at arrow 7

a)

osteon

b)

perforating Volkmann's canal

c)

concentric lamellae

d)

central Haversian canal

e)

medullary cavity

29.

Identify the cell marked A.

a)

osteogenic (osteoprogenitor) cell

b)

osteoblast

c)

osteocyte

d)

osteoclast

30.

Identify the space marked B

a)

central Haversian canal

b)

perforating Volkmann's canal

c)

medullary cavity

d)

lacuna

e)

canaliculi

31.

Identify the structures at the red arrows.

a)

lacunae

b)

osteons

c)

interstitial lamellae

d)

central Haversian canals

e)

canaliculi

32.

What type of bone tissue is pictured here?

a)

compact bone tissue

b)

spongy bone tissue

33.
Structures #2 are
a)
osteons
b)
perforating (Volkmann's) canals
c)
Central (Haversian) canals
d)
canaliculi
34.
Structure #3 is a/n
a)
osteon
b)
perforating (Volkmann's) canals
c)
Central (Haversian) canals
d)
canaliculi
35.
Structure #4 is a/n
a)
osteon
b)
osteocyte
c)
lacuna
d)
osteoblast
36.
Structures #5, which are situated within structures #8, are 
a)
osteons
b)
lamellae
c)
lacunae
d)
osteocytes
37.
Structures #6 are  
a)
osteons
b)
lamellae
c)
lacunae
d)
canaliculi
38.
Structure #7 is a/n 
a)
canaliculi
b)
perforating (Volkmann's canals
c)
central (Haversian) canals
d)
osteocytes
39.
Structures #8, the cavities surrounding structures #5, are the
a)
osteons
b)
lamellae
c)
lacunae
d)
osteocytes
40.
An osteocyte "lives" in __.
a)
lacunae
b)
lamellae
c)
Haversian canals
d)
Volkmann's canals

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