Cranial Nerves Cohort 7

Front 1

Acronym for cranial nerves

Back 1

On occasion our trusty truck acts funny; very good vehicle any how

Front 2

name the cranial nerves in order

Back 2

Olfactory, Optic, Oculomotor, trochlear, trigeminal, abducens, facial, vestibulocochlear, glossopharyngeal, vagus, accessory, hypoglossal

Front 3

what cranial nerves are sensory?

name them.

Back 3

I, II, and VIII

Olfactory, Optic, and Vestibulocochlear

Front 4

what cranial nerves are motor?

name them.

Back 4

III, IV, VI, XI, and XII

Oculomotor, Trochlear, Abducens, Accessory, Hypoglossal

Front 5

what cranial nerves are mixed motor and sensory?

name them.

Back 5

V, VII, IX, X

Trigeminal, Facial, Glossopharyngeal, Vagus

Front 6

Olfactory nerve "On"

Back 6

cranial nerve 1
Sensory
sense of smell

if damaged causes impaired sense of smell

Front 7

Optic nerve "Occasion"

Back 7

cranial nerve 2
Sensory
provides vision

damage causes blindness in part or all of the visual field

Front 8

Damage to the Optic tract would cause what?

Back 8

Homonymous Hemianopsia

Front 9

Damage to the center crossing of the Optic Chiasm would cause what?

Back 9

bitemporal hemianopsia

Front 10

damage to the lateral portion of the optic nerve would cause what?

Back 10

binasal hemianopsia

Front 11

Oculomotor nerve "Our"

Back 11

cranial nerve III
Motor
Eye movement muscles: up, down, medially
Controls lens, iris, and upper eyelid

damage: Drooping eyelid; movement in certain directions(up, down, and medially)

Front 12

Trochlear nerve "Trusty"

Back 12

Cranial nerve IV
Motor
Eye movement muscles: looking down and out
(sup oblique muscle)

damage: Double vision; rotate eye inferolaterally

Front 13

Trigeminal nerve "Truck"

Back 13

Cranial nerve V
Motor and Sensory
* Most important sensory nerve of the face
S – sensation to face
M – Muscles of mastication (chewing)
3 branches: 1)ophthalmic 2)maxillary 3)mandibular

Inflammation:
trigeminal neuralgia-(extreme facial pain)

Front 14

Abducens nerver "Acts"

Back 14

cranial nerve VI
Motor
Eye movement muscles: lateral
(lateral rectus muscle)

damage: Rotate eye lateral; at rest eye will rotate medial

Front 15

Facial nerve "Funny"

Back 15

Cranial nerve 7
motor and sensory
5 branches
M – facial expressions, tears, and glands
S – taste on ant. 2/3 of tongue

damage: Sagging face muscles:
Bell Palsy
Loss of sweet/salty

Front 16

Vestibulocochlear nerve "Very"

Back 16

cranial nerve VIII
Sensory
Hearing and equilibrium (balance)

damage: Deafness; dizziness

Front 17

Glossopharyngeal nerve "Good"

Back 17

Cranial nerve IX
Motor and sensory
* Tongue and pharynx (throat)
Swallowing, salivation
Post. 1/3 of tongue

damage: Swallowing; loss of bitter/sour

Front 18

Vagus nerve "Vehicle"

Back 18

Cranial nerve X
Motor and sensory-most extensive
* Runs to lots of vital organs
Control: cardiac, pulmonary, digestive, urinary
Swallowing, speech, regulation of viscera

Damage: hoarseness, loss of voice, impaired swallowing. Fatal if both are cut

Front 19

Accessory nerve "Any"

Back 19

Cranial nerve XI
Motor
Swallowing
Movement: head, neck, shoulder

damaged: Impaired movement – head turns toward injured side

Front 20

Hypoglossal nerve "How"

Back 20

cranial nerve XII
Motor
Tongue movements for speech, food manipulation and swallowing

damaged: Bilat: can’t protrude tongue
Unilat: tongue deviates to injured side

Front 21

Trigeminal neuralgia

Back 21

*tic douloureux
recurring episodes of intense stabbing pain in trigeminal nerve area

pain triggered by touch, drinking, washing face

treatment may require cutting nerve