Chapter 6

Question 0

Appendicular skeleton

Answer 0

Arms, legs

Question 1

Axial skeleton

Answer 1

Includes the skull, vertebrae, ribs. These bones protect, support or carry other body parts.

Question 2

Functions of bones

Answer 2

Support, protection, movement, source of calcium

Question 3

Skeletal system

Answer 3

Bones - tissue (material)
Structure - design (shapes)
Joints - motion

Question 4

Tissue connective cells

Answer 4

Osteoblasts (like negative)

Bone forming cells that secrete bone matrix

Question 5

Tissue connective matrix

Answer 5

Osteoclasts (like positive), organic, calcium

Multinucleate cells located at sites of bone resorption.

Question 6

I beam principle

Answer 6

Bones are hollow

Question 7

Wolffs law

Answer 7

That a bone grows or remodels in response to the demands placed on it

Question 8

Osteoblasts

Answer 8

Make bones

Question 9

Osteoclasts

Answer 9

Moves the bones

Question 10

Piezoelectric

Answer 10

Ability to of bone to produce voltage under tension or compression

Question 11

Mature bone

Answer 11

Osteons, haversian

Question 12

Periosteum

Answer 12

A membrane that covers the outer surface of all bones

Question 13

Endosteum

Answer 13

Lines the inner surface of bones (absorb/reabsorb)

Question 14

Diaphysis

Answer 14

Main midsection or shaft of a long bone

Question 15

Epiphysis

Answer 15

Is the rounded end of a long bone. It includes the growth plate

Question 16

Cervical

Answer 16

7 cervical vertebrae c1-c7. The first two cervical vertebrae are the atlas and axis. Atlas has no body and no spinous process. It is on top. Allows you to nod.

Axis- has a body and other typical vertebrae processes. Has a knoblike dens. Acts as a pivot for the rotation of the atlas. Allows you to rotate your head from side to side

Question 17

Thoracic

Answer 17

12 thoracic vertebrae. All articulate with ribs

Question 18

Lumbar

Answer 18

Receives the most stress. L1-L5

Question 19

Process

Answer 19

Where muscle attaches to the bone

Question 20

Condyle

Answer 20

Round part at the end of a bone

Question 21

Foramen

Answer 21

Is a hole

Question 22

Tubercle

Answer 22

Bigger bump

Question 23

Disk

Answer 23

Account for 25 % length of the spine

Question 24

Kyphosis

Answer 24

Hunchback. Thoracic curvature

Question 25

Lordosis

Answer 25

“Swayback” a lumbar curvature

Question 26

Scoliosis

Answer 26

Abnormal lateral curvature that occurs in the thoracic region

Question 27

Facet

Answer 27

Pairs of small joints between the vertebrae in the back of the spine with opposing surfaces of cartilage

Question 28

Spinous process

Answer 28

The median posterior projection arising at the junction of the two laminae

Question 29

Laminae

Answer 29

Flattened plates that fuse in the median plane, complete the arch posteriorly. (Space between)

Question 30

Pediele

Answer 30

(connects to the body)

Question 31

Transverse process

Answer 31

Extends laterally from each side of the vertebral arch

Question 32

Vertebral foramen

Answer 32

Passage through the spine

Question 33

Intervertebral disc

Answer 33

Cushionlike pad composed of two parts. The nucleus pulposus, acts like a rubber ball giving the disc its elasticity and compressibility. And the Anulus fibrosus (ring of fibers)

Question 34

Ribs

Answer 34

12 pairs of ribs. All attach posteriorly to the thoracic vertebrae. Superior seven ribs attach directly to the sternum, these are true ribs. The remaining 5 are called false ribs because they attach indirectly to the sternum. The last 2 are called floating ribs because they have no anterior attachment