Crainal Nerves

Front 1

Cranial Nerve V's main function and mediation.

Back 1

Face (sensory)
Jaw (motor)

Mediates sensory input and motor output of jaw-jerk reflex.

Input only of facial reflexes.

Sensory of 2/3 anterior portion of tongue.

Front 2

Cranial Nerve VII's main function and mediation.

Back 2

Face (motor)
Tongue (sensory)

Mediates output only of facial reflexes.

Taste 2/3 of anterior portion of tongue.

Front 3

Cranial Nerve IX's main function and mediation.

Back 3

Tongue (sensory)
Pharynx (sensory & motor)

Taste & touch for 1/3 of posterior portion of tongue.

Input for gag-reflex

Front 4

Cranial Nerve X's main function and mediation.

Back 4

Larynx (sensory & motor)
Respiratory (sensory & motor)
Cardiac (sensory & motor)
Gastrointestinal systems (sensory & motor)

Output of cough and gag-reflex

Front 5

Cranial Nerve XI's main function and mediation.

Back 5

Shoulder (motor)
Arm (motor)
Throat movements (motor)

Front 6

Cranial Nerve XII's main function and mediation.

Back 6

Tongue (motor)

Front 7

Which CN governs secretion of tears & saliva?

Back 7

CN VII

Front 8

Which CN governs chewing?

Back 8

CN V

Front 9

Which CN governs equillibrium sensation?

Back 9

CN VIII

Front 10

Which CN governs face & mouth touch & pain?

Back 10

CN V

Front 11

Which CN controls tongue movements?

Back 11

CN XII

Front 12

Which CN controls facial expressions?

Back 12

CN VII

Front 13

Which CN controls trapezius?

Back 13

CN XI

Front 14

What CN senses carotid blood pressure?

Back 14

CN IX

Front 15

What damaged CN impair swallowing?

Back 15

CN IX, X, XI, XII

Front 16

Which CN governs the sternocleidomastoid?

Back 16

CN XI

Front 17

What is the Spinal Nucleus of V?

Back 17

General sensory of pain & temp of opthalmic, maxilla, mandibular & mediates facial reflexes.

Front 18

What is the Main Sensory Nucleus?

Back 18

Input of fine discriminative sensation or light touch from face, mouth, and forehead.

Front 19

Damage to CN V results in what?
(LMN vs. UMN)

Back 19

Inability to close mouth, mastication problems, and trigeminal neuralgia (sharp facial pain)

LMN: ipsilateral paresis/paralysis to muscles, muscle weakness, fasciculations, absent reflexes, deviated jaw to lesion side, atrophy.

UMN: mild [contralateral] weakness, exaggerated jaw-jerk reflex

Front 20

Damage to which CN results in mask-like appearance with minimal or no facial expression?

Back 20

CN VII

Front 21

Damage what CN results in loss of taste/sensation of 1/3 post tongue

Back 21

CN IX

Front 22

Damage what CN results with neck weakness

Back 22

CN XI

Front 23

Damage what CN results with respiratory and phonatory problems.

Back 23

CN X

Front 24

Bilateral damage to this CN results in devastating speech, mastication and dysphagia.

Back 24

CN XII

Front 25

Which CN does the Mesencephalic Nucleus belong to and what does it govern?

Back 25

CN V

Unconscious & conscious proprioception of CN-V muscles.

Front 26

Bell's Pasly is associated with which CN?

Back 26

CN VII

Its an aquired LMN lesion (viral) that has 85% recovery.

Front 27

Which CN governs the Superior Petrosal and Inferior Petrosal and what do they do?

Back 27

CN IX

Superior Petrosal- Touch, pain, temp from Eustachian tube, tympanic membrane, and skin behind ear. Relays info to Spinal Nucleus of V.

Inferior Petrosal- general sensory of touch, pain, temp of soft palate, facial pillars, palatine/lingual tonsils, adenoids, & pharynx. Special sensory- touch, pain, temp, & taste of post. 1/3 tongue. Relays info to Solitary Nucleus.

Front 28

What does the facial nucleus govern?

Back 28

CN VII

Lower half of face receives contralateral involvement (UMN)

Upper half of face receives bilateral involvement (LMN)

Front 29

Damage to the Recurrent Laryngeal Nerve results in what? Which CN does it belong to?

Back 29

CN X
RLN damage: Can happen with thyroid surgery – resulting total/partial paralysis of VF including voice problems