Cranial Nerves

Question 1

CN 1

Answer 1

Olfactory
S
Foramen of cruciform plate

Question 2

CN 2

Answer 2

Optic
S
Optic canal

Question 3

CN 3

Answer 3

Oculomotor
M, P
Superior orbital fissure

Question 4

CN 4

Answer 4

Trochlear
M
Superior orbital fissure

Question 5

CN 5

Answer 5

Trigeminal
Both

Question 6

CN 5, 1

Answer 6

Ophthalmic
Superior orbital fissure

Question 7

CN 5, 2

Answer 7

Maxillary
Foramen rotundum

Question 8

CN 5, 3

Answer 8

Mandibular
Foramen ovale

Question 9

CN 6

Answer 9

Abducens
Motor
Superior orbital fissure

Question 10

CN 7

Answer 10

Facial
Both, P
Internal acoustic meatus to stylomastoid foramen

Question 11

CN 8

Answer 11

Vestibulocochlear
S
Internal acoustic meatus

Question 12

CN 9

Answer 12

Glossopharyngeal
B, P
Jugular foramen

Question 13

CN 10

Answer 13

Vagus
B, P
Jugular foramen

Question 14

CN11

Answer 14

Spinal accessory
M
Jugular foramen

Question 15

CN 12

Answer 15

Hypoglossal
M
Hypoglossal canal

Question 16

Greater petrosal n.

Answer 16

Branch of CN 7
Lacrimal gland and nasal mucosa
Parasympathetic

Question 17

Tympanic n.

Answer 17

Branch of CN 9
Parotid gland
Parasympathethic

Tympanic n - tympanic plexus - lesser petrosal - otic ganglion (SYNAPSES, PRE-POST) - auriculotemporal n

Question 18

Nasociliary n.

Answer 18

Branch of CNV1
Corneal reflex

Question 19

Lingual n.

Answer 19

Branch of V3 - general sensation for ant 2/3
Trigeminal ganglion

Joins with chorda tympani

Question 20

Chorda tympani n.

Answer 20

Branch of CN7 - special sensation/taste for ant 2/3
Geniculate ganglion

Also parasympathetic for submandibular and sublingual

Joins with lingual