Head and Neck anatomy

Question 1

Name the bones of the skull

Answer 1

Frontal 
Parietal 
Temporal 
Spehnoid 
Occipital
zygomatic 
maxillary

Question 2

Name the sutures of the skill

Answer 2

Saggital suture
Coronal suture
Labdoid suture
Frontal suture

Question 3

What is the pterion a junction of

Answer 3

frontal
parietal
sphenoid
temporal bones

Question 4

What artery overlies the pterion?

Answer 4

Middle meningeal artery

Question 5

What are the parts of the sphenoid bone

Answer 5

lesser wing of sphenoid 
Greater wing of sphenoid 
Lateral pterygoid plate 
Medial pterygoid plate 
Anterior clinoid process

Question 6

Anterior cranial fossa contents?

Answer 6

Foramen caecum (emissary veins from nose to superior saggital sinus)

Cribriform plate (transmits olfactory nerves)

Question 7

Middle cranial fossa contents (foramina)

Answer 7

Optic canals 
Foramen rotundum 
Foramen ovale 
Foramen spinosum
Foramen lacerum

Question 8

Foramen rotundum contents?

Answer 8

V2 (maxillary branch of trigeminal nerve)

Question 9

Foramen Ovale contents?

Answer 9

All the Ms:
Mandibular nerve
Motor root of trigeminal nerve
Accessory meningeal artery

Question 10

Foramen spinosum

Answer 10

More Ms - Meningeal:

Middle meningeal artery
Middle meningeal vein
Meningeal branch of mandibular vein

Question 11

Posterior cranial fossa foramina?

Answer 11

Internal acoustic meatus
Jugular foramen
Hypoglossal canal
Foramen magnum

Question 12

Name the 4 sinuses

Answer 12

frontal
ethmoid
sphenoidal
maxillary sinus

Question 13

What is the lymph drainage of the frontal and maxillary sinuses

Answer 13

submandibular lymph nodes

Question 14

What is the lymph drainage of the ethmoid and sphenoid sinuses

Answer 14

Retropharyngeal space

Question 15

Blood supply to frontal
ethmoid
maxilary and sphenoid sinuses

Answer 15

frontal –> supraorbital
ethmoid –> ethmoid
maxilary –> infraorbital
sphenoid sinuses –> posterior ethmoid

Question 16

branches of CCA

Answer 16

ICA and ECA

ECA –> facial, lingual , occipital, superficial temporal arteries

Question 17

where does L and R cca arise from

Answer 17

L from aortic arch

Right from brachiocephalic artery

Question 18

what level does CCA bifurcates at?

Answer 18

C4

Question 19

ICA branches

Answer 19

Ophthalmic
Anterior choroidal
Anterior/middle cerebral arteries

Question 20

Label circle of willis

Answer 20

https://www.alamy.com/stock-photo-circle-of-willis-labeled-diagram-78697326.html

Question 21

Ophthalmic artery branches?

Answer 21

cool cats learn more stats:

Central retinal artery 
Ciliary (long and short posterior)
Lacrimal artery 
Muscular (anterior ciliary)
Supraorbital 

Even measly mongrels do so

Ethmoid 
Meningeal 
Medial palpebral 
Dorsal Nasal
Supratrochlear

Question 22

What are the venous sinuses in the brain

Answer 22

superior Saggital sinus 
Inferior saggital sinus 
Transverse sinus
Straight sinus 
Sigmoid sinus

Question 23

Orbit venous drainage

Answer 23

central retinal vein 
supraorbital vein 
vortex veins 
facial vein 
infraorbital vein 

ALL to superior ophthalmic vein and inferior ophthalmic vein

Question 24

Cavernous sinus contents?

Answer 24

CN III (occulomotor)
CN IV (trochlear)
V1 
V2
CN VI (Abducen's)
ICA

Question 25

What are the bones of the medial wall of orbit

Answer 25

Medial wall : Ethmoid bone (orbital plate) Frontal process of maxilla + lacrimal bone

Question 26

What are the bones of the lateral wall of orbit

Answer 26

``` lateral wall: frontal bone (zygomatic process) Sphenoid bone (greater wing) Zygomatic bone (orbital surface) ```

Question 27

What are the bones of the floor of the orbit?

Answer 27

``` Palatine bone (orbital process) Maxillary bone (orbital surface) Zygomatic bone ```

Question 28

superior orbital fissure contents that are outside the annulus of zinn

Answer 28

``` LFTs: Lacrimal nerve (V1) Frontal nerve (V1) Trochlear nerve (CN IV) ```

Question 29

superior orbital fissure contents that are inside the annulus of zinn

Answer 29

SINA: Superior part of the oculomotor nerve (CN III) Inferior part of occulomotor nerve (CN III) Nasociliary nerve (CN V1) Abducen's nerve (CN VI)

Question 30

S.O.F contents mnemonic

Answer 30

Lazy French Tarts sit in naked anticipation - LFT SINA

Question 31

What arteries supply the eyelids

Answer 31

Ophtalmic and lacrimal artery

Question 32

What is the nerve supply to the eyelids

Answer 32

Upper lid - V1 Lower lid - V2 Motor - CN III and CN VII

Question 33

``` How long are the : Ampulla Canaliculi Lacrimal sac Nasolacrimal duct ```

Answer 33

Ampulla 2 mm Canaliculi 8 mm Lacrimal sac 10 mm Nasolacrimal duct 12 mm

Question 34

lacrimal gland innervation and blood supply:

Answer 34

Sensory innervation - CN VII lacrimal and infraorbital artery ophthalmic vein lymph - superficial parotid

Question 35

Foramina of cranial nerves -

Answer 35

``` Olfactory - cribiform plate Optic nerve- optic canal oculomotor - S.O.F Trochlear - S.O.F Trigemnial V1 - SOF V2 - foramen rotundum V3 - Foramen ovale Abducnes - S.O.F Facial nerve- stylomastoid foramen Acoustic n. - Internal acoustic meatus Glossopharyngeal - jugular foramen Vagus - jugular foramen Accessory - Jugular foramen Hypoglossal - hypoglossal canal ```