Neurology 3 Flashcards
The 12 Cranial Nerves
- Olfactory 2. Optic 3. Oculomotor 4. Trochlear 5. Trigeminal 6. Abducens 7. Facial 8. Vestibulocochlear 9. Glossopharyngeal 10. Vagus 11. Accessory 12. Hypoglossal
Cranial Nerves: Sensory
CN 1, 2, 8
The exit point of CN V3
Mandibular Division: Foramen Ovale
Cranial Nerves: Motor
CN 3, 4, 6, 11, 12
The exit point of CN III-VI
Superior Orbital Fissure
Cranial Nerves: Vagal system
CN 10, 9, 7, 1 (1971)
Cranial Nerves: Midbrain
CN 3 and 4
The exit point of CN XII
Hypoglossal Canal
Cranial Nerves: Diencephalon
CN 2
The exit point of CN VII - VIII
Internal Acoustic Meatus (IAM)
Cranial Nerves: Telencephalon
CN 1
The exit point of CN I
Cribriform plate of Ethmoid
Cranial Nerves: Parasympathetic
CN 10, 9, 7, 3 (1973)
Cranial Nerves: Medulla Oblongata
CN 9, 10, 11, and 12
The exit point of CN V2
Maxillary Division: Foramen Rotundum
Cranial Nerves: Mixed
CN 10, 9, 7, 5 (1975)
Cranial Nerves: Pons
CN 5, 6, 7, and 8
The exit point of CN IX - XI
Jugular Foramen
The exit point of CN II
Optic Canal
Structures that exit Foramen Magnum
Spinal part of CN XII, Right & Left Vertebral Artery, Medulla Oblongata
Pathology of CN 1
Anosmia
Unilateral Anosmia is due to the affectation of what structures?
Olfactory bulb or tract
What causes Bilateral Anosmia?
Problems with mucus membrane (cold and allergy)
Two reflexes facilitated by Optic Nerve
Pupillary Light and Accommodation