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Worksheets

WEEK 7

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

How many bones are in the adult human skeleton?

a)

200

b)

206

c)

212

d)

300

2.

Babies are born with approximately how many bones?

a)

100

b)

200

c)

250

d)

300

3.

The smallest bone in the human body is the:

a)

Hyoid

b)

Patella

c)

Stapes

d)

Fibula

4.

The longest bone in the human body is the:

a)

Humerus

b)

Tibia

c)

Femur

d)

Radius

5.

Which bone is not connected to any other bone?

a)

Stapes

b)

Hyoid

c)

Coccyx

d)

Scapula

6.

More than half of the bones in the body are located in the:

a)

skull

b)

ribcage

c)

hands & feet

d)

spine

7.

The biggest joint in the human body is the:

a)

shoulder

b)

hip

c)

knee

d)

elbow

8.

Which type of tissue makes up most of the skeletal system?

a)

Epithelial tissue

b)

Nervous tissue

c)

Bone (Osseous) tissue

d)

Muscle tissue

9.

The main functions of the skeletal system include all of the following

ЕХСЕРТ:

a)

Blood cell production

b)

Protection of internal organs

c)

Hormone secretion

d)

Mineral storage

10.

What type of bone is the femur?

a)

Short bone

b)

Flat bone

c)

Irregular bone

d)

Long bone

11.

Which type of bone has a cube-like shape with equal length and width?

a)

Flat bone

b)

Long bone

c)

Short bone

d)

Irregular bone

12.

Sesamoid bones are embedded in:

a)

Muscles

b)

Ligaments

c)

Tendons

d)

Cartilage

13.

Which part of a long bone contains the bone marrow?

a)

Epiphysis

b)

Diaphysis

c)

Medullary cavity

d)

Periosteum

14.

The outer covering of a bone is called the:

a)

Endosteum

b)

Periosteum

c)

Marrow

d)

Epiphysis

15.

Spongy bone is also known as:

a)

Cortical bone

b)

Cancellous bone

c)

Compact bone

d)

Lamellar bone

16.

What is the primary function of trabeculae in spongy bone?

a)

Store minerals

b)

Provide flexibility

c)

Reduce bone weight

d)

Protect the marrow cavity

17.

The functional unit of compact bone is the:

a)

Trabecula

b)

Osteon

c)

Canaliculus

d)

Periosteum

18.

Osteocytes exchange nutrients and wastes through small channels called:

a)

Central canals

b)

Canaliculi

c)

Lamellae

d)

Perforating canals

19.

Which type of bone cell is responsible for forming new bone tissue?

a)

Osteocytes

b)

Osteoblasts

c)

Osteoclasts

d)

Chondrocytes

20.

Osteoclasts function to:

a)

Form new bone tissue

b)

Maintain bone structure

c)

Break down bone tissue

d)

Transport nutrients

21.

The extracellular matrix of bone contains mostly:

a)

Actin and myosin

b)

Collagen fibers and inorganic salts

c)

Adipose tissue

d)

Keratin and elastin

22.

Compact bone is characterized by all of the following EXCEPT:

a)

Strong and solid structure

b)

Weight-bearing function

c)

Contains trabeculae

d)

Resists compression

23.

Which type of bone growth increases the width of a bone?

a)

Endochondral ossification

b)

Interstitial growth

c)

Appositional growth

d)

Epiphyseal plate expansion

24.

Which structure allows blood vessels to pass between adjacent osteons?

a)

Lamellae

b)

Perforating canals

c)

Canaliculi

d)

Trabeculae

25.

The spaces between trabeculae in spongy bone are filled with:

a)

Osteons

b)

Red bone marrow

c)

Yellow bone marrow

d)

Compact bone