Ch 2 Skeletal System

Question 0

Appendicular skeleton

Answer 0

126

Arms, legs, extremeties

Question 1

Axial skeleton

Answer 1

80 bones

Head, thorax, trunk

Question 2

Compact bone

Answer 2

Hard outer shell (strength)

Question 3

Cancellous bone

Answer 3

Porous and spongy inside. Resists stress and strains

Question 4

Epiphysis

Answer 4

Area at each end of bone.

Question 5

Diaphysis

Answer 5

Main shaft of bone (mostly compact bone)

Question 6

Medullary canal

Answer 6

Hollow, contains marrow and nutrient arteries.

Question 7

Endosteum

Answer 7

Lines medullary canal

Contains osteoclasts for bone resorption

Question 8

Metaphysis

Answer 8

Flared part at end of bone

Question 9

Periosteum

Answer 9

Thin membrane covering all bone except articular surfaces.

Question 10

Pressure epiphysis

Answer 10

Where children’s bones receive pressure from the opposing bone making up the joint.
Growth in children starts here

Question 11

Traction epiphysis

Answer 11

Where tendons attach to bones.

are subject to pulling.

Question 12

Long bones

Answer 12

Length greater than width

Only in appendicular skeleton

Question 13

Short bones

Answer 13

Equal dimensions of H,L,W

None in axial skeleton

Question 14

Flat bones

Answer 14

Broad surface, fairly thin.

Question 15

Irregular bones

Answer 15

Mixed shapes

None in appendicular skeleton

Question 16

Fracture

Answer 16

Broken bone

Question 17

Sesamoid bones

Answer 17

Protects tendons