Cranial Fossa

Question 1

3 cranial meninges

Answer 1

dura mater
arachnoid space
pia mater

Question 2

2 layers of dura mater

Answer 2

endosteal layer
meningeal layer

Question 3

contains CSF

Answer 3

subarchnoid space

Question 4

separates the 2 cerebral hemispheres

Answer 4

falx cerebri

Question 5

attachment of falx cerebri

Answer 5

crista galli

Question 6

separates cerebral hemispheres from cerebellum

Answer 6

tentorum cerebelli

Question 7

helps move CSF to the bloodstream

Answer 7

superior sagittal sinus

Question 8

bacteria from scalp can spread to superior sagittal sinus through what

Answer 8

emissary vein

Question 9

bacteria from face can spread to what sinus through what vein

Answer 9

vein: superior ophthalmic v
sinus: cavernous sinus

Question 10

sensory to meninges of anterior cranial fossa

Answer 10

CN V1

Question 11

sensory to meninges of middle cranial fossa

Answer 11

CN V2 and CN V3

Question 12

sensory to meninges of posterior cranial fossa

Answer 12

CN IX, CN X, and C1-C3

Question 13

2 main parts of ethmoid bone

Answer 13

crista galli
cribriform plate

Question 14

nerves that pass through superior orbital fissure

Answer 14

CN III, CN IV, CN V, CN VI

Question 15

what 3 things can happen from cribriform plate fracture

Answer 15

anosmia
CSF rhinorrhea
sinusitis

Question 16

foramen crossed by internal carotid a

Answer 16

foramen lacerum

Question 17

internal carotid a passed through this

Answer 17

carotid canal

Question 18

hypophyseal fossa (aka)

Answer 18

sella turcica

Question 19

structures affected first in cavernous sinus thrombosis

Answer 19

internal carotid a
CN VI (abducens)

Question 20

lateral wall of cavernous sinus contains what nerves

Answer 20

CN III
CN IV
CN V1
CN V2

Question 21

internal acoustic meatus contains what nerves

Answer 21

CN VII
CN VIII

Question 22

internal jugular foramen contains what nerves

Answer 22

internal jugular v
CN IX
CN X
CN XI

Question 23

CN XII through what hole of base of skull

Answer 23

hypoglossal canal

Question 24

this contains the spinal cord

Answer 24

foramen magnum

Question 25

sign of temporal bone fracture

Answer 25

CSF in middle ear

Battle’s sign

Question 26

sign of ethmoid bone fracture

Answer 26

CSF drip from nose

raccoon eyes

Question 27

characteristics of pterion skull fracture

Answer 27

lacerate anterior middle meningeal a

results in epidural hematoma. (looks like football shape on side of brain)

Question 28

thinnest part of skull

Answer 28

pterion