Chapter 7

Question 1

how many bones in the skeletal system

Answer 1

206

Question 2

how many bones at birth

Answer 2

270

Question 3

sutural bones/wormian develop in the

Answer 3

lamboidal or conoral sutures

Question 4

what are the two divisions of the skeletal system

Answer 4

axial and appendicular

Question 5

what does the axial skeleton consist of

Answer 5

skull, ossicles, hyoid, vertebrae, rib cage

Question 6

what does the appendicular skeleton consist of

Answer 6

pectoral girdle, upper limbs, pelvic girdle, lower limbs

Question 7

how many bones in axial skeleton

Answer 7

80

Question 8

what bone has 5 fused bones

Answer 8

sacrum

Question 9

how many pairs of ribs

Answer 9

12

Question 10

what bones consist of the ossicles

Answer 10

malleus, incus, stapes

Question 11

how many appendicular bones

Answer 11

126

Question 12

os coxae consist of what

Answer 12

3 fused bones each side

Question 13

processes where tenon or ligament attach is called

Answer 13

projections

Question 14

if projections form a joint it has

Answer 14

condyles and facets

Question 15

depression, grooce, fossa, notch, meatus, fissure, foramen and also sinuses are

Answer 15

depressions/openings

Question 16

a smooth flattened surface with articular cartilage and forms one side of the joint

Answer 16

facet

Question 17

a large rounded protuberance covered with articular cartilage forming the other side of the joint

Answer 17

condyle

Question 18

immovable joints with jagged edges for strength are called

Answer 18

sutures

Question 19

top of skull, removed to see interior

Answer 19

calvaria

Question 20

4 sutures

Answer 20

1. coronal
2. squamosal
3. sagitall
4. lambdoidal

Question 21

why do we have jagged sutures

Answer 21

to prevent breaking

Question 22

forehead, coronal suture, frontal sinus, anterior cranial fossa- support frontal lobe
supraorbital foramen is what cranium bone

Answer 22

frontal

Question 23

protective brain= sides and roof, sagittal and lambdoid suture, sutural bones. superior and inferior temporal line- mastication

Answer 23

parietal

Question 24

zygomatic arch, process+ temporal process of zygomatic
manidular fossa

Answer 24

squamous part

Question 25

inflammation, intense jaw pain when eat and when fully open/ close mouth

Answer 25

TMJ disorder

Question 26

external acoustic meatus

Answer 26

tympanic part

Question 27

interal acoustic meatus (nerve for hearing and balance)
mastoid process
styloid process
jugular foramina
carotid canal

Answer 27

petrous part

Question 28

comprises posterior wall and floor of cranium

Answer 28

occipital

Question 29

brainstem to spinal cord

Answer 29

foramen magnum

Question 30

articulation between skull and C1 vertebrae is what

Answer 30

occiptal condyles

Question 31

site of ligamentum nuchae (attachment keeps head erect)

Answer 31

external occiptal protuberance

Question 32

midline floor of cranium and nasal septum is what bone

Answer 32

ethmoid bone

Question 33

what bone is for meningeal attachment

Answer 33

crista galli

Question 34

whose function is olfactory bulbs, smell, olfactory formina

Answer 34

cribriform plate

Question 35

what forms upper part of nasal septum

Answer 35

perpendicular plate

Question 36

what increases surface area of nasal cavity

Answer 36

superior and middle nasal conchae

Question 37

whats the keystone of cranium and articulates with all other bones

Answer 37

sphenoid

Question 38

floor of middle cranial fossa

Answer 38

sphenoid

Question 39

optic nerve eye to brain

Answer 39

optic canal

Question 40

eye movement of muscles

Answer 40

superior orbital fissure

Question 41

turkish saddle- pituitary gland

Answer 41

sell turcica