Cranial Nerves Flashcards
1
Q
Olfactory
A
NumberI NerveOlfactory OriginTelencephalon Skull exitCribiform plate ModalitySensory FunctionsSense of smell
2
Q
Optic
A
NumberII NerveOptic OriginDiencephalon Skull exitOptic foramen ModalitySensory FunctionsVision
3
Q
Oculomotor
A
NumberIII NerveOculomotor OriginMidbrain Skull exitSuperior orbital fissure ModalityMotor FunctionsEye movement, pupillary constriction, lens accommodation
4
Q
Trochlear
A
NumberIV NerveTrochlear OriginMidbrain Skull exitSuperior orbital fissure ModalityMotor FunctionsEye movement
5
Q
Trigeminal
A
NumberV NerveTrigeminal OriginPons Skull exitSuperior orbital fissure (ophthalmic V1) Round foramen (maxillary V2) Oval foramen (mandibular V3) ModalityMixed FunctionsChewing, sensation of anterior 2/3 of scalp, tenses tympanic membrane*
6
Q
Abducens
A
NumberVI NerveAbducens OriginPons Skull exitSuperior orbital fissure ModalityMotor FunctionsEye movement
7
Q
Facial
A
NumberVII NerveFacial OriginPons Skull exitInternal auditory canal ModalityMixed FunctionsFacial expression, taste anterior 2/3 of tongue, tension on stapes*
8
Q
Vestibulocochlear
A
NumberVIII Nerve Vestibulocochlear nerve OriginPons Skull exitInternal auditory canal ModalitySensory FunctionsHearing
9
Q
Glosopharyngeal
A
NumberIX NerveGlossopharyngeal nerve OriginMedulla Skull exitJugular foramen ModalityMixed FunctionsTaste posterior 1/3 of tongue, elevation of larynx and pharynx, swallowing
10
Q
Vagus
A
NumberX NerveVagus OriginMedulla Skull exitJugular foramen ModalityMixed FunctionsSwallowing, voice production, parasympathetic supply to nearly all thoracic and abdominal viscera
11
Q
Accessory nerve
A
NumberXI NerveAccessory nerve OriginMedulla Skull exitJugular foramen ModalityMotor FunctionsShoulder shruging and head turning
12
Q
Hypoglossal nerve
A
NumberXII Nerve Hypoglossal nerve OriginMedulla Skull exitHypoglossal canal ModalityMotor FunctionsTongue movement
