Ch 7 The axial skeleton

Question 1

Axial skeleton

Answer 1

These are the bones of head and trunk this forms the longitudinal axis of the body

Question 2

Appendicular skeleton

Answer 2

Are the bones that support the limbs

Question 3

How many bones are in the axial skeleton

Answer 3

80

Question 4

what are the functions of the axial skeletons

Answer 4

supports and protects the organs in the body cavities.
provides points of attachment for muscles .

Question 5

how many bones does the skull contain

Answer 5

22
(18 in the cranium and 14 in the face)

Question 6

sutures

Answer 6

are immovable joints of the skull

Question 7

Lambdoid suture

Answer 7

separates occipital from parietal bones

Question 8

coronal suture

Answer 8

attaches frontal bone to parietal bones

Question 9

sagittal suture

Answer 9

between the parietal bones

Question 10

squamous sutures

Answer 10

join temporal bones with parietal bones

Question 11

sinuses

Answer 11

air filled chambers in the skull

Question 12

what are the functions of the sinuses

Answer 12

decreases weight of the skull
lined with mucous membranes
serves as resonating chambers in speech production

Question 13

cranial bones

Answer 13

8 cranial bones. encloses the cranial cavity.

Question 14

what forms the skull cap/calvaria

Answer 14

the occipital, right and left parietal and frontal bones

Question 15

Answer 15

occipital bone

Question 16

Answer 16

parietal bones

Question 17

Answer 17

frontal bones

Question 18

Answer 18

temporal bone

Question 19

Answer 19

sphenoid

Question 20

Answer 20

ethmoid

Question 21

what are the temporal bones

Answer 21

squamous part
zygomatic process
mandibular fossa
mastoid process
styloid process
petrous part
auditory ossicles

Question 22

Answer 22

squamous part

Question 23

Answer 23

zygomatic process

Question 24

Answer 24

mandibular fossa

Question 25

Answer 25

mastoid process

Question 26

Answer 26

styloid process

Question 27

Answer 27

petrous part

Question 28

Answer 28

auditory ossicles

Question 29

Answer 29

superior nasal conchae

Question 30

Answer 30

middle nasal conchae

Question 31

Answer 31

perpendicular plate

Question 32

what are the facial bones

Answer 32

maxillae palatine bones nasal bones vomer inferior nasal conchae zygomatic bones lacrimal bones mandible hyoid bone

Question 33

Answer 33

maxillae

Question 34

cleft palate

Answer 34

is an incomplete development of the palatine bones

Question 35

Answer 35

palatine bones

Question 36

Answer 36

nasal bones

Question 37

Answer 37

vomer

Question 38

Answer 38

inferior nasal conchae

Question 39

Answer 39

zygomatic bones

Question 40

Answer 40

lacrimal bones

Question 41

Answer 41

mandible

Question 42

Answer 42

hyoid bone

Question 43

what are the orbits

Answer 43

eye sockets (seven bones form each)

Question 44

Answer 44

infant skull

Question 45

what time frame does the skull have the most significant growth

Answer 45

infant-5 years of age.

Question 46

fontanelles

Answer 46

a very soft, flexible fibrous region between two flat bones in a developing skull (ex is soft spots in an infants skull)

Question 47

how many bones are in the vertebral column (spine)

Answer 47

26 bones total, 24 vertebrae, the sacrum and the coccyx

Question 48

Answer 48

sacrum

Question 49

Answer 49

coccyx

Question 50

Answer 50

spine/ vertebral column

Question 51

what are the spinal curves

Answer 51

cervical curve thoracic curve lumbar curve sacral curve

Question 52

primary curves (accommodation curves)

Answer 52

are curves that are present during birth (thoracic and sacral curve)

Question 53

secondary curves (compensation curves)

Answer 53

appear after birth (cervical and lumbar curves)

Question 54

how many vertebrae are in the neck

Answer 54

seven cervical vertebrae

Question 55

how many vertebrae are in the upper back

Answer 55

12 thoracic vertebrae

Question 56

how many vertebrae are in the lower back

Answer 56

five lumbar vertebrae

Question 57

vertebral body

Answer 57

transfers weight along the spine forms anterior margin of each vertebral foramen

Question 58

vertebral arch

Answer 58

forms posterior margin of each vertebral foramen walls called pedicles laminae form roof

Question 59

articular processes

Answer 59

lateral projections between laminae and pedicles

Question 60

spinous process

Answer 60

posterior projection from where the vertebral laminae fuses

Question 61

transverse process

Answer 61

projections from where laminae join pedicles

Question 62

superior and inferior articular processes

Answer 62

have articular facets for articulations with neighboring vertebrae

Question 63

intervertebral discs

Answer 63

a fibrocartilage pad between the bodies of successive vertebrae that absorb shock.

Question 64

intervertebral foramina

Answer 64

gaps between pedicles of adjacent vertebrae. encloses the spinal cord

Question 65

whiplash

Answer 65

is a partial or complete dislocation of cervical vertebrae

Question 66

what is the atlas

Answer 66

C1

Question 67

what is the axis

Answer 67

C2

Question 68

the cervical vertebrae

Answer 68

C1 to C7

Question 69

the thoracic vertebrae

Answer 69

T1-T12

Question 70

the lumbar vertebrae

Answer 70

L1-L5

Question 71

what is scoliosis

Answer 71

is an abnormal lateral curvature of the spine in one or more of the moveable vertebrae

Question 72

Answer 72

thoracic cage

Question 73

how many ribs are there

Answer 73

12 pairs divided into two types

Question 74

true ribs

Answer 74

ribs 1-7 are connected to sternum by costal cartilage

Question 75

false ribs

Answer 75

ribs 8-10 do not attach directly to the sternum ribs 11 and 12 are floating ribs connect only to the vertebrae and the muscles of the body

Question 76

Answer 76

sternum (breastbone)