Cranial Nerves Flashcards
CN 1 (Exit Point)
Cribriform plate of ethmoid bone
CN 2 (Exit Point)
Optic Canal
CN 3, 4, 5V1 (Ophthalmic), 6 (Exit Point)
Superior Orbital Fissure
CN 5V2 (Maxillary) (Exit Point)
Foramen Rotundum
CN 5V3 (Mandibular) (Exit Point)
Foramen Ovale
CN 7,8 (Exit Point)
Internal Acoustic Meatus
CN 9, 10, 11 (Exit Point)
Jugular Foramen
CN 12 (Exit Point)
Hypoglossal Canal
Sensory CN
1 (Olfactory)
2 (Optic)
8 (Vestibulocochlear)
Motor CN
3 (Oculomotor)
4 (Trochlear)
6 Abducens
11 Accessory
12 Hypoglossal
Mixed CN
5 (Trigeminal)
7 (Facial)
9 (Glossopharyngeal)
10 (Vagus)
MC Contused CN in TBI
CN 1 (Olfactory)
Smallest CN
CN 4 (Trochlear)
Pupillary Light (Nucleus)
Pretectal
Accommodation (Nucleus)
Edinger-Westphal
Accommodation: if object is NEAR
Lens thicker
Converge
Pupil constriction
External Strabismus Triad
Divergent
Exotropia
Wall eye
d/t Medial Rectus
Marcus Gunn Pupil AKA
RAPD
Reactive Affective Pupillary Dilation