skeletal system (2)

Question 1

What is the function of the periosteum?

Answer 1

Covers the diaphysis

Question 2

What is the function of Sharpey’s fibers?

Answer 2

Secure periosteum to underlying bone

Question 3

What is the function of arteries in a bone?

Answer 3

Supply bone cells with nutrients

Question 4

What is the function of the articular cartilage?

Answer 4

Covers the external surface of the epiphysis

Question 5

What is the function of hyaline cartilage in joints?

Answer 5

Decrease friction at joint surfaces

Question 6

What is the function of the medullary cavity?

Answer 6

Cavity of the shaft

Question 7

What is the function of yellow marrow in adults?

Answer 7

Stores fats

Question 8

What is the function of red marrow in infants?

Answer 8

Produces blood cells

Question 9

What are the functions of bones in the body?

Answer 9

Support, protection, movement

Question 10

What is the axial skeleton?

Answer 10

Longitudinal/medial part of the body

Question 11

What does the axial skeleton include?

Answer 11

Skull, vertebral column, bony thorax

Question 12

What are the two parts of the skull?

Answer 12

Cranium and facial bones

Question 13

How are the bones of the skull joined together?

Answer 13

Suture

Question 14

Which bone of the skull is attached by a freely movable joint?

Answer 14

Mandible

Question 14

What separates the vertebrae in the vertebral column?

Answer 14

Intervertebral discs

Question 15

How is each vertebrae named?

Answer 15

According to location

Question 16

What replaces the hyaline cartilage in the human skeleton during development?

Answer 16

Bone

Question 17

Where does cartilage remain in the skeleton?

Answer 17

Isolated areas such as bridge of the nose, parts of ribs, joints

Question 18

What is the first step in the repair of bone fractures?

Answer 18

Hematoma is formed

Question 19

What is the second step in the repair of bone fractures?

Answer 19

Break is splinted by fibrocartilage to form a callus

Question 19

What replaces the fibrocartilage callus in the repair of bone fractures?

Answer 19

Bony callus

Question 20

What is the final step in the repair of bone fractures?

Answer 20

Bony callus is remodeled to form a permanent patch

Question 21

What are the three main parts of the bony thorax?

Answer 21

Sternum, ribs, thoracic vertebrae

Question 22

Mature bone cells

Answer 22

Osteocytes

Question 23

Bone-forming cells

Answer 23

Osteoblasts

Question 24

Bone-destroying cells Break down bone matrix for remodeling and release of calcium

Answer 24

Osteoclasts

Question 25

A type of bone fracture that does not penetrate the skin

Answer 25

Closed (simple) fracture

Question 26

A type of fracture where the broken bone penetrates through the skin

Answer 26

Open (compound) fracture

Question 27

Bone fractures are treated by reduction and immobilization

Answer 27

Realignment of the bone

Question 28

Surface features of bones

Answer 28

Bone markings

Question 29

Bone markings that grow out from the bone surface

Answer 29

Projections and processes

Question 30

A bone indentation fracture

Answer 30

Depressions or cavities

Question 31

Homogenous bone tissue

Answer 31

Compact bone

Question 32

Small needle-like pieces of bone Many open spaces

Answer 32

Spongy bone

Question 33

Typically longer than wide Have a shaft with heads at both ends Contain mostly compact bone

Answer 33

Long bones

Question 34

Generally cube-shape Contain mostly spongy bone

Answer 34

Short bones

Question 35

Thin and flattened Usually curved Thin layers of compact bone around a layer of spongy bone

Answer 35

Flat bones

Question 36

Irregular shape Do not fit into other bone classification categories

Answer 36

Irregular bones