Skeletal System

Question 1

Hemopoiesis is

Answer 1

the process of making red blood cells in the red bone marrow

Question 2

Joint

Answer 2

area where two bones meet, most provide movement

Question 3

Ligament

Answer 3

connects bone to bone

Question 4

Tendon

Answer 4

connects bone to muscle

Question 5

compact bone

Answer 5

solid, dense bone, comprising almost 80% of skeleton

Question 6

spongy bone

Answer 6

porous bone tissue, can be found in ends of long bones, where red bone marrow is found

Question 7

osteocyte

Answer 7

mature bone cells, originate from osteogenic and osteoblasts

Question 8

osteogenic cells

Answer 8

beginning cells, found on inner lining of periosteum and endosteum, turn into osteblasts

Question 9

osteoblast cells

Answer 9

bone building cells; secrete collagen matrix, responsible for calcification (hardening) of bone, can turn into a osteocytes

Question 10

What is a long bone?

Answer 10

a bone that is longer than it is wide

Question 11

What is a short bone?

Answer 11

a bone that is cube shaped

Question 12

An example of a irregular shaped bone in the body is

Answer 12

the vertebrae

Question 13

What is a sesamoid bone?

Answer 13

it is a small bone that is embedded in a tendon

Question 14

What are lacunae?

Answer 14

small spaces (lakes) that contain bone cells

Question 15

What is a suture?

Answer 15

an immovable joint

Question 16

Which bones form most of the top and sides of the cranium?

Answer 16

parietal bones (there are two)

Question 17

Which bone forms most of the nasal septum?

Answer 17

vomer

Question 18

Which two bones form the hard palate of your mouth?

Answer 18

maxillae and palantine

Question 19

Which bone is the keystone of the cranium?

Answer 19

sphenoid

Question 20

Which bone is the keystone of the face?

Answer 20

maxillae

Question 21

What is a keystone bone?

Answer 21

one in which all other bones articulate (join) with

Question 22

Where is the olecranon process located?

Answer 22

on the ulna (it’s your elbow)

Question 23

Where is the olecranon fossa located?

Answer 23

on the posterior (back side) of your humerus

Question 24

What is a process?

Answer 24

it is an extension of a bone

Question 25

What is a fossa?

Answer 25

it is a depression on a bone

Question 26

What is a foramen?

Answer 26

It is a hole in a bone

Question 27

What is the largest foramen in your body called and where is it found?

Answer 27

The obturator foramen and it is on your two coxal (hip) bones

Question 28

What is the name of the three bones that join to form the coxal (hip) bone?

Answer 28

illium, ischium, pubis

Question 29

What are the three parts of the sternum?

Answer 29

the manubrium, body and the xiphoid process

Question 30

Which forearm bone is more lateral when you are in anatomical position?

Answer 30

the radius

Question 31

What two bones make up your pectoral girdle?

Answer 31

scapula and clavicle

Question 32

Which bones form your cheekbones?

Answer 32

zygomatic

Question 33

Which bone would you find the mastoid process and the styloid process?

Answer 33

temporal bone

Question 34

Which ribs are attached directly to your sternum with costal cartilage?

Answer 34

Ribs 1-7

Question 35

Which ribs are attached indirectly to your sternum with costal cartilage?

Answer 35

Ribs 8-10

Question 36

Which ribs are not attached at all to your sternum and are thus floating?

Answer 36

Ribs 11-12

Question 37

Which secondary curves form after birth when the baby learns to hold its head up and sit up?

Answer 37

cervical and lumbar

Question 38

Which bone is the strongest and heaviest bone in your body?

Answer 38

femur

Question 39

Which bones form the knee joint?

Answer 39

femur, patella and tibia

Question 40

Which bone forms the heel?

Answer 40

calcaneus

Question 41

Which bones form the knuckles?

Answer 41

metacarpals

Question 42

How many bones do we have in our body?

Answer 42

206

Question 43

What would the finger bone that is furthest from the point of attachment be called?

Answer 43

distal phalange

Question 44

Which fingers/toes only have two phalanges?

Answer 44

thumb and big toe

Question 45

The manubrium of the sternum joins with which pectoral girdle bone?

Answer 45

clavicle

Question 46

What is an osteoclast?

Answer 46

they break down bone by secreting enzymes

Question 47

where is yellow marrow found?

Answer 47

in the medullary cavity

Question 48

Where is red bone marrow found?

Answer 48

in the epiphysis in spongy bone

Question 49

Where does bone growth occur in a long bone?

Answer 49

at the epiphyseal plate

Question 50

What is lordosis?

Answer 50

an overpronounced lumbar curvature

Question 51

What is kyphosis?

Answer 51

an overpronounced thoracic curvature resulting in a hunchback

Question 52

What is scoliosis?

Answer 52

a lateral curve of the spine in a "s" like manner

Question 53

What separates vetebrae?

Answer 53

intervertebral discs, which are made out of cartilage

Question 54

The hip socket is known as the

Answer 54

acetabulum

Question 55

The shoulder socket is known as the

Answer 55

glenoid cavity

Question 56

bone remodeling is an ongoing process in which these two cells work in unison

Answer 56

osteoclasts (break down bone) and osteoblast (build bone)

Question 57

The lining of a long bone is called the

Answer 57

periosteum

Question 58

The lining of the medullary cavity is called the

Answer 58

endosteum

Question 59

The shaft of the long bone is called the

Answer 59

diaphysis

Question 60

The ends of the long bone are called the

Answer 60

epiphysis

Question 61

soft spots on a baby's skull are called

Answer 61

fontanels

Question 62

What region and # bone is the atlas?

Answer 62

C-1

Question 63

What region and # bone is the axis?

Answer 63

C-2

Question 64

What does the axis allow you to do?

Answer 64

shake your head from side to side "no"

Question 65

What does the atlas allow you to do?

Answer 65

shake your head up and down "yes