Cranial Fossae and the Suboccipital Region

Question 1

Anterior cranial fossa contains…

Answer 1

frontal lobes of cerebral hemispheres

Question 2

Middle cranial fossa contains…

Answer 2

temporal lobes of cerebral hemispheres

Question 3

Posterior cranial fossa contains…

Answer 3

occipital lobes of cerebral hemispheres

Question 4

Leptomeninges is the combination of…

Answer 4

pia and arachnoid mater

Question 5

Arteries of the dura…

Answer 5

meningeal arteries

middle meningeal artery off the maxillary artery

Question 6

Where does the middle meningeal artery enter?

Answer 6

foramen spinosum

Question 7

Pterion is a …

Answer 7

weak spot on the lateral skull where 4 bones meet

Question 8

Nerves of meninges

Answer 8

CN V trigeminal

Question 9

The arachnoid, pia and brain are … to pain.

Answer 9

insensitive

Question 10

Venous sinuses of the Dura

Answer 10

superior sagittal sinus
inferior sagittal sinus
straight sinus
transverse sinuses
sigmoid sinuses
occipital sinus

Question 11

Hypertrophy of the arachnoid villi results in … which may form pits on the inner table of cranial bones along superior sagittal sinus.

Answer 11

arachnoid granulations

Question 12

Cavernous sinuses are connected by … and receive blood from …

Answer 12

intercavernous

superior and inferior ophthalmic veins, superficial middle cerebral and sphenoparietal sinus

Question 13

The cavernous sinuses are drained by..

Answer 13

superior and inferior petrosal sinuses

Question 14

Cavernous sinus surrounds ..

Answer 14

abducens CN VI

Question 15

Within the lateral wall of the cavernous sinus runs CN …

Answer 15

III oculomotor
IV trochlear
V1 ophthalmic
V2 maxillary

Question 16

CSF is produced in the … within the …

Answer 16

choroid plexuses

lateral, third and fourth ventricles

Question 17

Most of the CSF is produced in the … and passes through the …. into the …. down the … into the … and out the…

Answer 17

lateral ventricles
interventricular foramina
third ventricle
cerebral aqueduct
fourth ventricle 
median aperture

Question 18

CSF is mainly absorbed back into the venous blood through …

Answer 18

arachnoid villi

Question 19

All brain blood comes from two pairs of arteries…

Answer 19

internal and vertebral arteries

Question 20

Ophthalmic arteries supply ..

Answer 20

eye, orbit and forehead

Question 21

Anterior cerebral arteries supply..

Answer 21

frontal lobes

Question 22

Middle cerebral arteries supply..

Answer 22

temporal lobes

Question 23

Superficial intrinsic muscles of the posterior neck region…

Answer 23

splenius capitis

splenius cervicis

Question 24

Intermediate intrinsic muscles of posterior neck..

Answer 24

longissimus capitis

longissimus cervicis

Question 25

Deep intrinsic muscles of suboccipital region..

Answer 25

semispinalis capitis muscles

Question 26

4 muscles deep to semispinalis capitis

Answer 26

rectus capitis posterior minor and major

obliquus capitis superior and inferior

Question 27

Suboccipital triangle formed by..and contains

Answer 27

rectus capitis major, obliquus capitis inferior and obliqques capitis superior
vertebral artery and suboccipital nerve

Question 28

Hyperextension in whiplash can cause ..

Answer 28

anterior longitudinal ligament to be stretched and/or torn

Question 29

Severe hyperextension of the neck in whiplash can

Answer 29

rupture discs and break the posterior arch of the atlas