SKELETAL: AXIAL SKELETON

Question 1

how many bones does the skull have

Answer 1

22 bones

Question 2

house and protect the brain

Answer 2

cranial bone or cranium

Question 3

immovable bones are called

Answer 3

sutures

Question 4

top of the skull is called the

Answer 4

calvaria

Question 5

connected to the two parietal bones

Answer 5

frontal bone

Question 6

suture that connects parietal and frontal bone

Answer 6

coronal suture

Question 7

superior border of each of the orbits contains a _ ; allows passage of a blood vessel and nerve for the eyelid and eye

Answer 7

supraorbital foramen or notch

Question 8

between two orbits is the smooth region of the bone called

Answer 8

glabella

Question 9

what sinus does the frontal bone contain

Answer 9

frontal sinus

Question 10

the frontal bone forms the _ which supports lobes of the brain

Answer 10

anterior cranial fossa

Question 11

two parietal bones are joined by what suture?

Answer 11

sagittal suture

Question 12

parietal bones are connected to the occipital bone by what suture

Answer 12

lambdoid suture

Question 13

temporal bones are connected by the skull by the

Answer 13

squamous sutures

Question 14

this part of the temporal bone meets the parietal bone

Answer 14

squamous part

Question 15

it joins to form the what arc? (bridge across the side of the skull)

Answer 15

zygomatic arch

Question 16

the zygomatic process has an oval-shaped fossa on the inferior side called the

Answer 16

mandibular fossa

Question 17

this part of the temporal bone has the prominent external auditory canal (transmits sound waves toward the eardrum, or tympanic membrane)

Answer 17

tympanic part

Question 18

this part of the temporal bone extends inward toward the center of the skull

Answer 18

petrous part

Question 19

located on the posterior surface of the petrous part and is the opening for a nerve controlling hearing and balance

Answer 19

internal auditory canal

Question 20

large bony inferior projection that can be seen and felt just posterior to the external ear

Answer 20

mastoid process

Question 21

cavities inside the mastoid process

Answer 21

mastoid air cells

Question 22

when mastoid air cells become infected it causes

Answer 22

mastoiditis

Question 23

projects from the lower portion of the petrous part of the temporal bone ; serves as attachment site for three muscles

Answer 23

styloid process

Question 24

located between the styloid process and mastoid process and allows for passage of a nerve controlling facial muscles

Answer 24

stylomastoid foramen

Question 25

three important foraminas:

Answer 25

jugular carotid foramen lacerum

Question 26

allow jugular veins to carry majority of the blood away from the brain

Answer 26

jugular foramina

Question 27

major entry point for blood delivery to the brain

Answer 27

carotid

Question 28

easily noticeable opening in a dried skull at the border of the petrous part and the sphenoid bone

Answer 28

foramen lacerum

Question 29

makes up the majority of the skull's posterior wall and base

Answer 29

occipital bone

Question 30

most prominent feature of the occipital bone, the opening were the brainstem connects to the spinal cord

Answer 30

foramen magnum

Question 31

this region forms the _ that support the cerebellum of the brain

Answer 31

posterior canal fossae

Question 32

two rounded projections on either side of the foramen magnum

Answer 32

occipital condyles

Question 33

points of attachment for several neck muscles that move the head

Answer 33

nuchal line

Question 34

single bone that extends completely across the skull (resembles a butterfly)

Answer 34

sphenoid bone

Question 35

shape of the prominence formed within the floor of cranial cavity

Answer 35

sella turcica

Question 36

within the body of the sphenoid bone are the

Answer 36

sphenoidal tissues

Question 37

located on each side of the sphenoidal bone just anterior to the sella turcica

Answer 37

optic canal

Question 38

the lateral portions of the sphenoid bone form the

Answer 38

middle cranial fossa

Question 39

where cranial nerves controlling eye movement enter the orbit

Answer 39

superior orbital fissure

Question 40

porous, fragile bone centrally located in the skull

Answer 40

ethmoid bone

Question 41

large portion of the nasal cavity

Answer 41

nasal septum

Question 42

sinuses within the ethmoid bone form the

Answer 42

ethmoidal sinuses

Question 43

prominent ridge of the ethmoid bone

Answer 43

crista galli

Question 44

houses one of the two olfactory bulbs that transmit signals for the sense of smell

Answer 44

cribriform plates

Question 45

cribriform plates contain numerous foramina called

Answer 45

olfactory foramina

Question 46

extending inferiorly from the ethmoid bone is a central, thin, bony plate called the

Answer 46

perpendicular plate

Question 47

two scroll shaped bones protruding medially from the ethmoid bone

Answer 47

conchae

Question 47

openings within particular bones that open into the nasal cavity

Answer 47

paranasal sinuses

Question 48

cone shaped fossae

Answer 48

orbits

Question 49

rounded opening anteriorly and is separated into right and left halves by the nasal septum

Answer 49

nasal cavity

Question 50

how many bones are in the face

Answer 50

14 bones

Question 51

commonly known as cheekbones, anterior to sphenoid bones

Answer 51

zygomatic bones

Question 52

anterior and inferior to the zygomatic bones ; fused in the center

Answer 52

maxilla

Question 53

have horizontal plates that fuse centrally to form the posterior portion of the hard palate

Answer 53

palatine bones

Question 54

smallest of the skull bones and house the depression through which the nasolacrimal duct enters the canal

Answer 54

lacrimal bones

Question 55

form the bridge of nose

Answer 55

nasal bones

Question 56

only skull bone that is freely movable

Answer 56

mandible

Question 57

forms most of the posterior of the nasal septum

Answer 57

vomer

Question 58

one of the three conchae in the nasal cavity

Answer 58

inferior nasal concha

Question 59

important for speech and swallowing

Answer 59

hyoid bone

Question 60

located in the vertebral column region with the greatest range of motion

Answer 60

cervical vertebrae

Question 61

support the majority of the body's wieght

Answer 61

lumbar vertebrae

Question 62

located between two hip bones

Answer 62

sacrum

Question 63

referred to as tailbone

Answer 63

coccyx

Question 64

commonly called the rib cage ; contains the heart

Answer 64

thoracic cage

Question 65

breastbone ; describe as sword shaped

Answer 65

sternum