Skull and Cranial Nerves

Question 1

how many bones form the skull

Answer 1

22 bones

Question 2

Cranium is considered:

Answer 2

the skull minus the mandible

Question 3

Neurocranium is made up of the

Answer 3

basicranium and cranial vault

Question 4

Neurocranium does what

Answer 4

protects and encloses the brain

Question 5

basicranium does what

Answer 5

surrounds the opening for the cranial nerves and major vessels to enter and exit the cranial cavity

Question 6

the basicranium and cranial vault surround the

Answer 6

cranial cavity

Question 7

viscerocranium forms the

Answer 7

facial region

Question 8

viscerocranium encloses the

Answer 8

special senses and opening for the gut tube

Question 9

the special senses openings are the

Answer 9

nasal cavity
orbit
oral cavity

Question 10

The 3 types of bones in the skull

Answer 10

Cranial Base Bones
Intramembranous Bones
Pharyngeal Arch Bones

Question 11

Cranial base bones form the

Answer 11

base of the basicranium and neurocranium

Question 12

cranial base bones have _______ ossification

Answer 12

endochondrial ossification

Question 13

Intramembranous bones for the

Answer 13

cranial vault, sides and facial bones

Question 14

intramembranous bones have ______ ossification

Answer 14

intramembranous

Question 15

Pharyngeal arch bones are derived from

Answer 15

cartilage or pharyngeal arches

Question 16

pharyngeal arch bones form

Answer 16

small accessory bones of head

Question 17

pharyngeal arch bones have ______ ossification

Answer 17

endochondrial ossification

Question 18

the 5 Basicranium bones

Answer 18

Ethmoid
Sphenoid
Temoral (2)
Occipital

Question 19

basicranium bones develop in or near the

Answer 19

midline of the head

Question 20

in close association to

Answer 20

the nervous system

Question 21

basicranium bones form the

Answer 21

cranial base which cradles the brain

Question 22

all ______ and ______ enter/exit the cranial cavity via _______ in between these 5 bones

Answer 22

cranial nerves
major blood vessels
foramina

Question 23

intramembranous bones for the

Answer 23

cranial valut and facial skeleton

Question 24

cranial valut bones

Answer 24

frontal
parietal (2)
temporal (2) (squamous)

Question 25

Facial Skeleton bones

Answer 25

``` zygomatic (2) nasal (2) vomer lacrimal (2) palatine (2) maxillary (2) interior nasal concha (2) mandible ```

Question 26

_______, _______, and _______ are cranial base bones and can contribute to cranial vault

Answer 26

temporal sphenoid occipital

Question 27

4 pharyngeal arch bones

Answer 27

hyoid malleous incus staples

Question 28

hyoid is from which arches

Answer 28

2nd and 3rd

Question 29

1st arch bones

Answer 29

malleous and incus

Question 30

2nd arch bones

Answer 30

staples

Question 31

they are tiny bones located in the middle ear or

Answer 31

tympanic cavity

Question 32

tympanic cavity means surrounded by:

Answer 32

temporal bone

Question 33

these tiny bones do what

Answer 33

transmit sound from eardrum to inner ear

Question 34

I

Answer 34

Olfactory

Question 35

II

Answer 35

Optic

Question 36

III

Answer 36

Oculomotor

Question 37

IV

Answer 37

Trochlear

Question 38

V

Answer 38

Trigeminal

Question 39

VI

Answer 39

Abducent

Question 40

VII

Answer 40

Facial

Question 41

VIII

Answer 41

Vestibulocochlear

Question 42

IX

Answer 42

Glossopharyngeal

Question 43

X

Answer 43

Vagus

Question 44

XI

Answer 44

Accessory

Question 45

XII

Answer 45

Hypoglossal

Question 46

CN I exits through

Answer 46

foraminia in cribiform plate (ethmoid)

Question 47

CN II and Ophthalmic a. exit through

Answer 47

Optic Foramen (sphenoid)

Question 48

CN III, IV, V1, and VI and ophthalmic v. exit through

Answer 48

Superior Orbital Fissure (sphenoid)

Question 49

V2 exits

Answer 49

foramen rotundum (sphenoid)

Question 50

V3 exits

Answer 50

foramen ovale (sphenoid)

Question 51

middle meningeal artery & vein exit

Answer 51

foramen spinosum (sphenoid)

Question 52

CN VII & VIII exit

Answer 52

internal auditory meatus (temporal)

Question 53

CN IX, X, XI and internal jugular vein exit

Answer 53

jugular foramen (temp/occipital)

Question 54

CN XII exits

Answer 54

hypoglossal canal (occipital)

Question 55

Structure:

Answer 55

Function:

Question 56

carotid canal

Answer 56

internal carotid artery | sympathetic NS

Question 57

foramen magnum

Answer 57

spinal cord spinal root of accessory n. vertebral aa.

Question 58

nasolacrimal canal

Answer 58

nasolacrimal duckt

Question 59

stylomastod foramen

Answer 59

Facial Nerve CN VII

Question 60

pharyngeal tubercle

Answer 60

pharyngeal raphe (superior constrictor m)

Question 61

genial tubercle (mental spine)

Answer 61

genioglossus and geniohyoid mm.

Question 62

mandibular foramen

Answer 62

inferior alveolar N. A. & V.

Question 63

inferior orbital fissure

Answer 63

branch of V2 | branch of maxillary a.

Question 64

pterygopalatine fossa

Answer 64

pterygopalatine ganglion V2 Maxillary artery & vein

Question 65

pterygomaxillary fissure

Answer 65

entrance into pterygopalatine fossa from infratemportal fossa maxillary a. & v.

Question 66

sphenopalatine foramen

Answer 66

from pterygopalatine fossa to nasal cavity | branch of V2

Question 67

pterygoid canal

Answer 67

from cranium near foramen lace rum to pterygopalatine fossa | nerve to fthe pterygoid cnala (greater + deep petrosal nn)

Question 68

Pterygoid hamuus

Answer 68

on end of medial pterygoid plate attachment for pterygomandibular rap he tensor veli palatini m bends around to reach soft palate

Question 69

auditory tube

Answer 69

from nasopharynx to tympanic cavity

Question 70

styloid process

Answer 70

attachment site for styloglossus | stylopharyneus and stylohyoid mm and stylohyoid ligament

Question 71

mastoid process

Answer 71

attachment site for posterior belly of diagastric and SCM