Cranial Nerves Flashcards
Cranial Nerve I
Olfactory (sensory)
Cranial Nerve II
Optic (sensory)
Cranial Nerve III
Oculomotor (motor)
Cranial Nerve IV
Trochlear (motor)
Cranial Nerve V
Trigeminal (sensory & motor)
Anterior 2/3 tongue
Cranial Nerve VI
Abducens (motor)
Cranial Nerve VII
Facial (sensory & motor)
Taste to anterior 2/3 tongue
Cranial Nerve VIII
Vestibulocochlear (sensory)
Acoustic/auditory
Cranial Nerve IX
Glossopharyngeal (sensory & motor)
Posterior 1/3 tongue
Cranial Nerve X
Vagus (sensory & motor)
SLN & RLN
Cranial Nerve XI
Spinal accessory (motor)
Cranial Nerve XII
Hypoglossal (motor)
Below/behind the tongue
Impaired nerve or injury → airway obstruction d/t tongue relaxation
Superior laryngeal nerve
Innervates above the vocal cords
Internal branch SIS
External branch SEM
SLN Internal Branch
Sensory above the vocal cords
SLN External Branch
Motor
LARYNGOSPASM