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SMI: Bones & Soft Tissue: Bones

Total questions: 50

Worksheet time: 37mins

Name
Class
Date
1.

What is the average number of bones in the human skeleton?

a)

200

b)

206

c)

210

d)

215

2.

Which of the following is a function of the human skeleton?

a)

Producing red blood cells

b)

Forming a protective framework for muscles

c)

Digesting food

d)

Regulating body temperature

3.

What is one gender difference in the skeletal system?

a)

The question has a diagram associated with it. The diagram has been stored separately.

b)

Males generally have larger and heavier bones than females.

c)

Females have a more rounded pelvic cavity compared to males.

d)

Males have a longer rib cage than females.

4.

True or False: Women's bones are heavier and larger than men's bones.

a)

True

b)

False

5.

What are the two main parts of the skeletal system?

4 lines
6.

Which bones are included in the axial skeleton?

a)
Clavicle, scapula, pelvis
b)
Skull, vertebrae, sacrum, coccyx, ribs.
c)
Radius, ulna, carpals
d)
Humerus, femur, tibia
7.

What essential minerals does the skeletal system store?

(a)  

8.

How does the skeletal system support the body?

a)
The skeletal system produces hormones that control growth.
b)
The skeletal system supports the body by providing structure, protection, and facilitating movement.
c)
The skeletal system helps in digestion and nutrient absorption.
d)
The skeletal system regulates body temperature and fluid balance.
9.

What are the microscopic cells in bones called?

a)

Osteocytes

b)

Chondrocytes

c)

Erythrocytes

d)

Leukocytes

10.

What gives the bone its hardness and durability?

a)

Calcium phosphate

b)

Collagen fibers

c)

Bone marrow

d)

Cartilage

11.

Label the parts of the long bone shown in the diagram.

12.

What does the embryonic skeleton initially consist of?

a)

Cartilage

b)

Bone

c)

Muscle

d)

Tissue

13.

At birth, the bones are very soft and pliable.

a)

True

b)

False

14.

As bones ossify, they become hard and more capable of bearing weight.

a)

True

b)

False

15.

What is the shaft of a typical long bone called?

a)

Epiphysis

b)

Diaphysis

c)

Medullary Canal

16.

What is found at the end of the diaphysis?

a)

A) Epiphysis

b)

B) Medullary Canal

c)

C) Compact Bone

17.

In the center of the inner portion of the shaft of a long bone, there is a _________.

a)

medullary canal

b)

epiphyseal plate

c)

periosteum

d)

trabeculae

18.

What is the function of the medullary canal in a long bone?

a)

Filled with bone marrow, serves as a fat storage center.

b)

Supports the bone structure and provides rigidity.

c)

Connects muscles to the bone.

d)

Produces red blood cells.

19.

What is the outside of the bone called, which is a tough fibrous tissue containing blood vessels, lymph vessels, and nerves?

(a)  

20.

Where less strength is needed in the bone, some of the hard bone is dissolved away, leaving ________ bone.

a)

spongy bone

b)

compact bone

c)

dense bone

d)

solid bone

21.

What covers the ends of the epiphysis?

(a)  

22.

What is the area called where bones grow from the center toward the ends?

a)
Growth plate (epiphyseal plate)
b)
Bone marrow
c)
Cartilage
d)
Periosteum
23.

Which cells are responsible for the addition of more bone to increase its circumference?

a)
Osteoblasts
b)
Fibroblasts
c)
Chondrocytes
d)
Osteoclasts
24.

As girth increases, bone is dissolved from the ________.

a)

periosteal surface

b)

endosteal surface

c)

medullary cavity

d)

epiphyseal plate

25.

What is the role of osteoclasts in bone growth?

a)

They build new bone cells

b)

They break down hard bone

c)

They fill the medullary canal with bone marrow

d)

They ossify the growth plate

26.

The medullary canal eventually fills with _________.

a)

bone marrow

b)

water

c)

air

d)

blood

27.

Until when will the bone continue to grow?

a)

Until the medullary canal is filled

b)

Until the growth plate is ossified

c)

Until osteoclasts are active

d)

Until 18 years of age

28.

Average growth in females continues for about how many years?

a)

15-16 years

b)

18-19 years

c)

20-21 years

d)

22-23 years

29.

The _______ is responsible for the production of blood cells within the bone.

a)

bone marrow

b)

cartilage

c)

ligament

d)

tendon

30.

The function of the growth plate in a bone is to:

a)

support the bone structurally

b)

facilitate the lengthening of the bone

c)

protect the bone from fractures

d)

store minerals for the bone

31.

Which type of bone is the femur or thigh bone?

a)

Flat bone

b)

Long bone

c)

Irregular bone

d)

Short bone

32.

Which type of bone is the parietal bone from the roof of the skull?

a)

Flat bone

b)

Long bone

c)

Irregular bone

d)

Short bone

33.

The amount of movement at a joint is determined by bone shape and ________.

a)

the type of joint

b)

muscle strength

c)

ligament flexibility

d)

cartilage thickness

34.

Where are Long Bones found?

a)

A) Bones of the skull and ribs

b)

B) Bones of the wrist and ankle

c)

C) Found in the upper and lower extremities

d)

D) Bones of the spinal column

35.

Flat Bones are bones of the ______ and the ribs.

a)

skull

b)

arm

c)

leg

d)

hand

36.

Irregular Bones are bones of the spinal column. True or False?

a)

True

b)

False

37.

Short Bones are bones of the wrist and ankle, and they appear cube-like in shape. True or False?

a)

True

b)

False

38.

What happens to bones when external force is applied and the force is too great?

a)

They become stronger

b)

They break

c)

They bend

d)

They dissolve

39.

Fractures result from direct blows in which type of sports?

a)

Contact sports

b)

Water sports

c)

Winter sports

d)

Motor sports

40.

Stress fractures are:

a)

a type of complete bone break

b)

a type of partial bone break

c)

a type of muscle injury

d)

a type of joint dislocation

41.

What is a characteristic of a simple or closed fracture?

a)

The fracture site breaks the skin

b)

The fracture can be either complete or incomplete

c)

The fracture is always incomplete

d)

The fracture is always complete

42.

What is a compound fracture?

a)

A) A fracture where the bone does not penetrate the skin

b)

B) A fracture where the bone penetrates the skin

c)

C) A fracture with no danger of infection

d)

D) A fracture that is not open

43.

What is a Greenstick Fracture?

a)

A complete break of the bone

b)

An incomplete break, breaking only the outer part of the bone

c)

A fracture that affects the joint

d)

A fracture that occurs in the skull

44.

What is a comminuted fracture?

a)
A comminuted fracture is a fracture where the bone is broken into multiple pieces.
b)
A comminuted fracture is a type of fracture that heals without intervention.
c)
A comminuted fracture is a fracture that only affects the cartilage.
d)
A comminuted fracture is a clean break in the bone.
45.

All of the following are functions of the skeletal system EXCEPT:

a)

movement

b)

blood cell formation

c)

bone marrow production

d)

body temperature regulation

46.

Identify yellow bone marrow

47.

Identify the periosteum:

48.

Identify the epiphyseal plate:

49.

Identify the spongy bone:

50.

Identify the articular cartilage: