Crainial nerves

Question 1

Trigeminal system adds on

Answer 1

DCML for touch and proprioception
spinothalamic for pain and temp

Question 2

TMJ syndrome is associated with

Answer 2

V3 of Trigeminal

Question 3

lateral ptyergoid function

Answer 3

opens mouth

Question 4

stapedius innervation

Answer 4

CN VII

Question 5

Geniculate Ganglion has what neurons

Answer 5

To Zanzibar by motor car
Temporal, zygomatic, buccal, mandibular and cervical
all motor

Question 6

Chorda Tympani

Answer 6

anterior 2/3 of tongue for tasting

Question 7

Pterygopalatine
Ganglion

Answer 7

For parasympathetics of CN VII. Does the secretions of the lacrimal glands

Question 8

Greater protrusal nerve

Answer 8

Parasympathetics of CN VII. Does the secretions of the salivary glands

Question 9

Facial nerve palsy with decreased hearing is

Answer 9

bad. Proximal nerve damaged with less chance of healing

Question 10

Facial nerve palsy with increased hearing is

Answer 10

good. distal nerve damaged with greater chance of healing

Question 11

Bell’s Palsy

Answer 11

Difficulty with eye closure can damage cornea
Idiopathic or viral onset
May involve hearing: stapedius mm

Question 12

Menier’s disease

Answer 12

ringing in ears

Question 13

Saccades

Answer 13

movement of reading

Question 14

Nystagmus

Answer 14

uncoordinated movement of eye

Question 15

Stabismis

Answer 15

crossed eyes

Question 16

muscle that does gag reflex

Answer 16

Stylopharyngeus mm

Question 17

Lesser protrusal nerve

Answer 17

parotid gland secretion

Question 18

Motor Nerves of CN X

Answer 18

Recurrent Laryngeal and Superior Laryngeal

Question 19

Recurrent Laryngeal and Superior Laryngeal function

Answer 19

gag reflex and voice

Question 20

Problems with CN X

Answer 20

Uvula and palate do not elevate
Pulled to strong side

Question 21

Lesions of the CN XII

Answer 21

Tongue points toward the side of the lesion

Question 22

There are 4 cranial nerves that carry parasympathetic components:

Answer 22

Oculomotor (CN III)
Facial (CN VII)
Glossopharyngeal (CN IX)
Vagus (CN X)

Question 23

Sympathetic fibers in the head originate from

Answer 23

C/S

Question 24

Deep Petrosal Nerve

Answer 24

Sympathetics of the head

Question 25

Pupillary reflex

Answer 25

constricts with light on Ipsilateral side

Question 26

Consensual reflex

Answer 26

Contralateral side constricts

Question 27

Accommodation Reflex

Answer 27

Pupils constrict to increase depth of field

Question 28

Distance vision

Answer 28

Ciliary muscle is relaxed and the zonula fibers are taut

Question 29

Near vision

Answer 29

Ciliary muscle is contracted and the zonula fibers are relaxed

Question 30

Corneal reflex (blink reflex)

Answer 30

CN V and CN VII