Chapter 5- Skeletal system

Question 1

Axial Skeleton

Answer 1

bones that form longitudinal axis of body

Question 2

Appendicular Skeleton

Answer 2

bones of limbs and girdles

Question 3

Compact Bone

Answer 3

dense and looks smooth

Question 4

Spongy Bone

Answer 4

composed of small needle like pieces of bone and open space

Question 5

Long Bones

Answer 5

longer than they are wide

all bones of limbs except ankles and wrists

Question 6

Short Bones

Answer 6

cube-shaped and contain spongy bone

Question 7

Flat Bones

Answer 7

thin, flattened and curved bones

Question 8

Irregular Bones

Answer 8

bones that don’t fit one of the other categories

hip bones and vertebrae

Question 9

Diaphysis

Answer 9

makes up most of bone’s length and made of compact bone

Question 10

Periosteum

Answer 10

fibrous connective tissue membrane that protects diaphysis

Question 11

Epiphyseal Line

Answer 11

thin line of bony tissue that looks different from rest of bone in that area

Question 12

Comminuted fracture

Answer 12

bone breaks into fragments

Question 13

Compression fracture

Answer 13

bone is crushed

Question 14

Depressed fracture

Answer 14

broken bone portion is pressed inward

Question 15

Impacted fracture

Answer 15

broken bone ends are forced into each other

Question 16

Spiral fracture

Answer 16

ragged break occurs when excessive twisting forces are applied to a bone

Question 17

Greenstick fracture

Answer 17

bone breaks incompletely

Question 18

Hematoma

Answer 18

blood-filled swelling

Question 19

Cranium

Answer 19

encloses and protects fragile brain tissue

Question 20

Occipital Bone

Answer 20

most posterior bone of cranium

Question 21

Vertebral Column

Answer 21

spine

Question 22

Vertebrae

Answer 22

bones that make up spine

Question 23

Intervertebral Discs

Answer 23

flexible cartilage which cushion vertebrae and absorb shocks while allowing spine flexibility

Question 24

Cervical vertebrae

Answer 24

form neck region of spine

Question 25

Thoracic Vertebrae

Answer 25

larger than cervical vertebrae

Question 26

Lumbar Vertebrae

Answer 26

have massive, block like bodies

Question 27

Sacrum

Answer 27

formed by fusion of five vertebrae

Question 28

Coccyx

Answer 28

tailbone | formed from fusion of 3-5 irregularly shaped vertebrae

Question 29

Sternum

Answer 29

flat bone | result of fusion of 3 bones

Question 30

Ribs

Answer 30

protect inner organs

Question 31

Clavicle

Answer 31

collarbone

Question 32

Scapulae

Answer 32

shoulder blades

Question 33

Humerous

Answer 33

long bone in the arm

Question 34

Radius

Answer 34

bone in your arm | on the thumb side of the forearm

Question 35

Ulna

Answer 35

medial bone of the forearm

Question 36

Carpal Bones

Answer 36

make up the wrist

Question 37

Pelvic Girdle

Answer 37

hip bones

Question 38

Femur

Answer 38

thigh bone

Question 39

Tibia

Answer 39

shinbone

Question 40

Fibula

Answer 40

no part in forming knee joint | lies next to tibia and forms joints