Bony anatomy

Question 1

how many bones in the skull

Answer 1

26

Question 2

3 foramen in the front of the face and what nerve goes through

Answer 2

infraorbital- infraorbital nerve(branch of maxillary)
mental - mental nerve (branch of inferior alveolar nerve)
zygomaticofacial - zygomaticofacial nerve (branch of zygomatic )

Question 3

what are the branches of the infraorbital nerve

Answer 3

posterior superior alveolar nerve
middle superior alveolar nerve
anterior superior alveolar nerve

Question 4

what muscle attaches to the styloid process

Answer 4

stylohoid muscle

Question 5

what’s the bony landmark for the confluence of sinuses

Answer 5

internal occipital protuberance

Question 6

what connects to the eternal occipital protuberance

Answer 6

aponeurosis

Question 7

where would you insert a drain

Answer 7

koshers point- lateral ventricle

• 11cm from nation
• 3cm from midline
• RHS

Question 8

drill through the asterion, what would you hit

Answer 8

sigmoid sinus

Question 9

optic canal

Answer 9

optic nerve 2

ophthalmic artery

Question 10

superior orbital fissure

Answer 10

oculomotor nerve 3
trochlear nerve 4
ophthalmic nerve V1
abducens nerve 6
superior ophthalmic vein

Question 11

foramen rotundum

Answer 11

maxillary nerve V2

Question 12

foramen ovale

Answer 12

mandibular nerve V3
accessory meningeal artery
lesser petrosal nerve

Question 13

foramen spinosum

Answer 13

middle meningeal artery and vein

meningeal branch of mandibular nerve

Question 14

foramen lacerum

Answer 14

internal carotid artery

internal carotid nerve plexus

Question 15

hiatus canals of

Answer 15

lesser petrosal nerve

greater petrosal nerve

Question 16

internal acoustic meatus

Answer 16

facial nerve 7
vestibulocochlear nerve 8
labyrinthe artery

Question 17

mastoid foramen

Answer 17

emissary vein

branch of occipital artery

Question 18

jugular foramen

Answer 18

inferior petrosal sinus 
glossopharyngeal nerve 9
vagus nerve 10
accessory nerve 11
sigmoid sinus
posterior meningeal artery

Question 19

condylar canal

Answer 19

emissary vein

meningeal branch of ascending pharyngeal artery

Question 20

hypoglossal canal

Answer 20

hypoglossal nerve

Question 21

foramen magnum

Answer 21

medulla oblongata
meninges
vertebral arteries
spinal roots of accessory nerves

Question 22

inferior orbital fissure

Answer 22

• infraorbital nerve
• zygomatic nerve
• infraorbital artery and vein
• inferior opthamic vein
• ganglionic branches from pterygopalatine ganglion to maxillary nerve