Lecture 7

Question 1

what some skull functions

Answer 1

protects brain

protects nerves arteries and blood vessels of brian stem

skeletal frame work of face

Question 2

what are cranial bone

Answer 2

surround the brain

Question 3

what do facial bones do

Answer 3

support the eyes nose mouth

Question 4

what are the 5 sutures (1 nationality related) and where are they located

Answer 4

lamboidal = between occipital and parietal bones. back of head

coronal = between frontal and parietal bones (coronal plane) top of head

sagittal = between parietal bones (sagittal plane. on top of head)

squamousal = between temporal and parietal bones

metopic = between frontal bone (8% of adults: asians)

Question 5

what are bones that grow within a suture

Answer 5

sutural bones

AKA wormian bones

Question 6

what are examples of cranial bones

Answer 6

STEP OF

1. sphenoid

2.temporal

3. ethmoid
4. parietal
5. occipital
6. frontal

Question 7

what bone articulates at occipital bone

Answer 7

C1

Question 8

what bones make up the foramen magnum

Answer 8

occipital

Question 9

which cranial bone articulates with all other cranial bones

Answer 9

sohenoid

Question 10

what suture is paired

Answer 10

squamous

Question 11

what nasal concha is its own bone

Answer 11

inferior nasal concha

Question 12

the sphenoid sinus is ___ to the sella turcica

Answer 12

deep

Question 13

what are examples of facial bones

Answer 13

My Mandible Chews Nine Very Large Zucchini Pizzas

1. maxilla (2)
2. mandible
3. concha - inferior nasal concha
4. nasal
5. vomer
6. lacrimal (2)
7. zygomatic (2)
8. palatine (2)

(hyoid)

Question 14

how many BONES comprise the hard palate

Answer 14

4

2 maxilla and 2 palatine

Question 15

which bone forms the lateral wall of the orbital cavity

Answer 15

zygomatic

Question 16

1 fossa + 1 fossa =

Answer 16

foramen

Question 17

what are the ONLY 2 bones that have teeth

Answer 17

maxilla and mandible

Question 18

what are the 4 fontanels and where are they

Answer 18

anterior - top of head

posterior - top of head behind anterior

sphenoid - above ear (2)

mastoid - on the side toward the back (2)

Question 19

fontanels are only in

Answer 19

neonates and babies

Question 20

which bones are associated with the sphenoid fontanel

Answer 20

sphenoid

temporal

frontal

parietal

Question 21

what is diploe

Answer 21

flat bones of brain case, inner and outer surfaces

Question 22

what bones have sinuses

Answer 22

frontal, ethmoid, sphenoid, and maxillary

Question 23

what are some functions of paranasl sinuses

Answer 23

resonate sound

decrease skull weight

turbinate/filter air

Question 24

endochondral bone growth of the skull is aka

Answer 24

basicranium

Question 25

which part of the skull is associated with endochondral ossification at puberty

Answer 25

occipital temporal and basicranium

Question 26

are female skulls heavier or lighter than males

Answer 26

lighter and thinner

Question 27

does testosterone alter membranous bone

Answer 27

YES gives large brow ridges, coarse features, large sinuses

Question 28

what bone is the roof of the orbital cavity

Answer 28

frontal

Question 29

what bone is the floor of the orbital cavity

Answer 29

maxilla

Question 30

what bones make up the medial wall of the orbital cavity

Answer 30

lacrimal, sphenoid, palatine, nasal (sometimes)

Question 31

what bone makes up the posterior wall of the orbital cavity

Answer 31

sphenoid

Question 32

what structure makes the roof of the nasal cavity

Answer 32

cribriform plate (part of ethmoid bone)

Question 33

what makes up the nasal septum

Answer 33

perpendicular plate of ethmoid (not a it’s own bone) & vomer

Question 34

the middle and superior nasal concha are apart of what bone

Answer 34

ethmoid

Question 35

what bones is the anterior cranial fossa made of and what is made

Answer 35

ethmoid and frontal orbital roof

Question 36

what bones is the middle cranial fossa made of and what is made

Answer 36

sphenoid, (petrosal)temporal middle ear

Question 37

what bones is the posterior cranial fossa made of and what is made

Answer 37

occipital foramen magnum

Question 38

where is the petrous portion of the temporal bone located

Answer 38

inside the skull

Question 39

what bones make up the jugular foramen

Answer 39

temporal and occipital