Skeletal System Worksheet I

Question 1

Ossification of flat bones on their outer surfaces

Answer 1

Appositional growth

Question 2

Dense structureless outer bone

Answer 2

Compact bone

Question 3

Shaftlike Portion of bone

Answer 3

Diaphysis

Question 4

Membrane that lines the medullary cavity

Answer 4

Endosteum

Question 5

?

Answer 5

Epiphyseal cartilage

Question 6

?

Answer 6

Epiphysis

Question 7

Connective tissue bone formation

Answer 7

Intramembranous ossification

Question 8

Portion of bone where blood production occurs

Answer 8

Medullary cavity

Question 9

End of that shaft where the bone flares and becomes the epiphysis

Answer 9

Metaphysis

Question 10

Bone formation from cartilage

Answer 10

Ossification

Question 11

?

Answer 11

Oesteoblasts

Question 12

Resorbing bone cell enlarging the diameter of the medullary cavity

Answer 12

Osteoclasts

Question 13

Fibrous membrane covering the outer surface of bone

Answer 13

Periosteum

Question 14

?

Answer 14

Resorption

Question 15

Area that contains trabeculae

Answer 15

Spongy bone

Question 16

?

Answer 16

Trabeculae

Question 17

“cotton wool” skull appearance

Answer 17

Paget’s disease

Question 18

a cleft in the pars interarticularis between the superior and inferior articular processes in the vertebra

Answer 18

Spondylolysis

Question 19

a deposit of uric acid in the joint

Answer 19

Gout

Question 20

a malignant turmor of cartilaginous origin that may originate anew or within a preexisting cartilaginous lesion

Answer 20

Chondrosarcoma

Question 21

abnormal decrease in bone density due to lack of calcium deposit

Answer 21

Osteoporosis

Question 22

arises in the bone marrow of long bones and affects young adults

Answer 22

Ewing’s Sarcoma

Question 23

benign bone projection with a cartilaginous cap

Answer 23

Osteochondroma

Question 24

Brittle bone disease

Answer 24

Osteogenesis imperfecta

Question 25

caused by a vitmin deficiency in children

Answer 25

Rickets

Question 26

classic "sunburst" pattern with elevated periosteum

Answer 26

Osteogenic Sarcoma

Question 27

degenerative arthritis

Answer 27

Osteoarthritis

Question 28

failure of cartilage to form properly, resulting in dwarfism

Answer 28

Achondroplasia

Question 29

infection of the bone and its marrow

Answer 29

Osteomyelitis

Question 30

inflammation of the fluid-filled sac usually due to repeated physical activity

Answer 30

Bursitis

Question 31

lack of neural tube closure

Answer 31

Spina Bifida

Question 32

most commonly affects the thoracic and lumbar spine with poorly marginated bone destruction often associated with an abcess

Answer 32

Pott's disease

Question 33

proliferation of fibrous tissue in the medullary cavity

Answer 33

Fibrous dysplasia

Question 34

rupture of central nucleus pulposus, most frequently L4-L5

Answer 34

Herniated Intervertebral disk

Question 35

true fluid-filled area surrounded by a fibrous wall

Answer 35

Unicameral bone cyst

Question 36

Marble bone disease

Answer 36

Osteopetrosis

Question 37

?

Answer 37

Hip dysplasia

Question 38

?

Answer 38

Lead poisoning

Question 39

?

Answer 39

Osteomalacia

Question 40

?

Answer 40

Rheumatoid Arthritis

Question 41

?

Answer 41

Spondylolisthesis

Question 42

?

Answer 42

Vertebral anomaly