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Skeletal System Functions Quiz

Total questions: 50

Worksheet time: 27mins

Name
Class
Date
1.

What is bone?

a)

A type of muscle tissue

b)

A hard, dense connective tissue

c)

A flexible form of connective tissue

d)

A type of organ

2.

What is the function of cartilage in the skeletal system?

a)

To provide flexibility and smooth surfaces for movement

b)

To support the muscles

c)

To protect internal organs

d)

To produce blood cells

3.

Which of the following is NOT a function of the skeletal system?

a)

Supporting the body

b)

Facilitating movement

c)

Producing blood cells

d)

Digesting food

4.

How do bones facilitate movement?

a)

By serving as points of attachment for muscles

b)

By producing blood cells

c)

By storing and releasing minerals

d)

By protecting internal organs

5.

What do the ribs protect?

a)

Lungs and heart

b)

Brain

c)

Spinal cord

d)

Muscles

6.

What is the role of an orthopedist?

a)

Diagnosing and treating disorders and injuries related to the musculoskeletal system

b)

Performing surgery on bones and joints

c)

Treating bone and joint injuries

d)

All of the above

7.

What is the function of bone marrow?

a)

To store fat

b)

To produce blood cells

c)

To facilitate movement

d)

To protect internal organs

8.

Which minerals are important for the functioning of the body and stored in bone tissue?

a)

Calcium and phosphorus

b)

Iron and magnesium

c)

Sodium and potassium

d)

Zinc and copper

9.

What is the softer connective tissue that fills the interior of the ends of most long bones called?

a)

Yellow marrow

b)

Red marrow

c)

Adipose tissue

d)

Cartilage

10.

Where does hematopoiesis, the production of blood cells, take place?

a)

Yellow marrow

b)

Red marrow

c)

Adipose tissue

d)

Cartilage

11.

What are the two types of bone marrow?

a)

white bone marrow and black bone marrow

b)

hard bone marrow and soft bone marrow

c)

dense bone marrow and porous bone marrow

d)

red bone marrow and yellow bone marrow

12.

What is the function of the skeletal system?

a)

Support and movement

b)

Fluids and transport

c)

Energy maintenance

d)

Human development

13.

Which of the following is the best definition of a bone?

a)

A hard, dense connective tissue that forms the structural elements of the skeleton

b)

A semi-rigid connective tissue found on the skeleton

c)

A thin layer of cartilage covering an epiphysis

d)

A channel within the bone matrix that houses an osteocyte

14.

What is the function of the central canal (Haversian Canal) in a bone cell?

a)

To contain blood vessels, nerves, and lymphatic vessels

b)

To reduce friction and act as a shock absorber

c)

To connect bone surfaces

d)

To produce blood cells

15.

What is the definition of compact bone?

a)

Dense osseous tissue that can withstand compressive forces

b)

A tubular shaft that runs between the proximal and distal ends of a long bone

c)

A layer of spongy bone sandwiched between two layers of compact bone found in flat bones

d)

A process in which bone forms by replacing hyaline cartilage

16.

What is the definition of diaphysis?

a)

A tubular shaft that runs between the proximal and distal ends of a long bone

b)

A wide section at each end of a long bone filled with spongy bone and red marrow

c)

A thin and curved bone that serves as a point of attachment for muscles and protects internal organs

d)

A broken bone

17.

What is the main source of calcium for the body?

a)

Sunlight exposure

b)

Supplements

c)

Dairy products

d)

Meat and poultry

18.

What is the role of cartilage in bone formation?

a)

To provide blood supply to bones

b)

To remove metabolic wastes from bones

c)

To serve as a template or matrix for new bone

d)

To protect bones from injury

19.

What is the template for bone formation?

a)

Blood vessels

b)

Hyaluronic acid

c)

Chondrocytes

d)

Cartilage

20.

Why does damaged cartilage not repair itself easily?

a)

It lacks blood vessels for nutrient supply

b)

It has too many collagen fibers

c)

It is too flexible

d)

It has too many blood vessels and an abundance of nutrients

21.

Which bones are formed via intramembranous ossification?

a)

Long bones

b)

Skull bones

c)

Vertebrae

d)

Ribs

22.

What happens to the epiphyseal plate when bones stop growing in length?

a)

It becomes the epiphyseal line

b)

It transforms into articular cartilage

c)

It becomes the periosteum

d)

It remains as hyaline cartilage

23.

Which bone cell is responsible for forming new bone?

a)

Osteoblast

b)

Osteocyte

c)

Osteogenic cell

d)

Osteoclast

24.

Where are osteocytes located?

a)

In the medullary cavity

b)

In the periosteum

c)

In the lacuna

d)

In the canaliculi

25.

What is the function of osteoclasts?

a)

To form new bone

b)

To maintain mineral concentration of the matrix

c)

To break down old bone

d)

To communicate with other bone cells

26.

What is the primary difference between compact and spongy bone?

a)

Compact bone is hard and dense, while spongy bone is porous

b)

Compact bone is found in only long bones, while spongy bone is found in only flat bones

c)

Compact bone contains red marrow, while spongy bone contains yellow marrow

d)

Compact bone is located in the epiphysis, while spongy bone is located in the diaphysis

27.

Yellow marrow has been identified as ________.

a)

an area of fat storage

b)

a point of attachment for muscles

c)

the hard portion of bone

d)

red marrow that has spoiled

28.

Long bones enable body movement by acting as a ________.

a)

counterweight

b)

resistive force

c)

lever

d)

Fulcrum

29.

The fibrous membrane covering the outer surface of the bone is the ________.

a)

periosteum

b)

epiphysis

c)

endosteum

d)

Diaphysis

30.

Which of the following bones is (are) formed by intramembranous ossification?

a)

the metatarsals

b)

the femur

c)

the ribs

d)

the flat bones of the cranium

31.

Which of the following is part of the axial skeleton?

a)

scapula

b)

femur

c)

Calcaneus

d)

vertebral column

32.

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

a)

allows for movement of the wrist and hand

b)

protects nerves and blood vessels at the elbow

c)

supports trunk of the body

d)

allows for movements of the ankle and foot

33.

True ribs are _________.

a)

ribs 8 - 12

b)

attached via their costal cartilage to the next higher rib

c)

made entirely of bone and thus do not have any cartilage

d)

attached via their costal cartilage directly to the sternum

34.

What is the medical term for the kneecap?

a)

Scapula

b)

Patella

c)

Tarsals

d)

Carpals

35.

What is the medical term for your shoulder blades?

a)

Scapula

b)

Patella

c)

Tarsals

d)

Carpals

36.

What is the medical term for your wrist bones?

a)

Scapula

b)

Patella

c)

Tarsals

d)

Carpals

37.

What is the largest and heaviest bone in the body?

a)

Fibula

b)

Tibia

c)

Humerus

d)

Femur

38.

How many vertebrae are there in the thoracic vertebrae?

a)

7

b)

12

c)

5

d)

10

39.

How many vertebrae are there in the lumbar vertebrae?

a)

7

b)

12

c)

5

d)

10

40.

What is the name given to the hollow middle section of a long bone where yellow bone marrow is located?

a)

diaphysis

b)

epiphyses

c)

medullary cavity

d)

periosteum

41.

What type of connective tissue covers the ends of bone at joints?

a)

Ligaments

b)

Hyaline Cartilage

c)

Fibrocartilage

d)

Dense Connective Tissue

42.

What is the medical term for a bone cell?

a)

Fibrocyte

b)

Chondrocyte

c)

Melanocyte

d)

Osteocyte

43.

Which of the following would be classified as in the appendicular skeleton?

a)

ribs

b)

Fibula

c)

Sternum

d)

skull

44.

Bones are composed of __________ & ___________

(choose two options)

a)

Calcium

b)

Proteins

c)

Phosphorus

d)

Salts/Iodine

45.
The shaft of the bone is also called the
a)
epiphysis
b)
diaphysis
c)
endosteum
d)
periosteum
46.
Which of these is a long bone?
a)
Femur
b)
Patella
c)
Scapula
d)
Carpal
47.
This type of bone is porous, allowing blood vessels to move through it and containing bone marrow.
a)
Compact Bone
b)
Spongy or Cancellous Bone
48.

A fontanelle __________.

a)

is the cartilage model that is turned into bone

b)

are the lines on the skull that separate the bones

c)

is the area on an infant's skull known as "soft spots"

d)

a type of bone found in the wrists and ankles

49.

What is the number of bones that compose the adult skeleton?

a)

205

b)

206

c)

208

d)

200

50.

The two divisions of our skeleton are

a)

Axial and Proximal

b)

Axial and Appendicular

c)

Appendicular and Proximal

d)

Upper and Lower