Cranial Nerves

I Olfactory Nerve: Function, Specific function, test, disorder

• Sensory

• Sense of smell

• Sniff Aromas

• Anosmia

• diplopia

II Optic Nerve: Function, Specific function, test, disorder

• Sensory

• vision

• eye chart

• Anopia

• motor

III Oculomotor Nerve: Function, Specific function, test, disorder

• Open eyelid; 4 of 6 extrinsic eye muscles, lens, and iris (pupillary reflex)

• Superior oblique muscle of the eye

• Follow finger

• diplopia, ptosis, strabismus

• motor

IV Trochlear Nerve: Function, Specific function, test, disorder

• Lateral rectus muscle of the eye

• Superior oblique muscle of the eye

• Follow finger

• diplopia, strabismus

• motor

V Trigeminal Nerve: Function, Specific function, test, disorder

• Sensory

• Innervate muscles of mastication and sense of touch on face

• clench jaw; gently touch cheek

• Trigeminal neuroglia

• motor

VI Abducens Nerve: Function, Specific function, test

• Sensory

• Lateral rectus muscle of eye

• follow finger

• Superior oblique muscle

• motor

VII Facial Nerve: Function, Specific function, test, disorder

• Sensory

• Bell's Palsy

• smile; raise eye brows

• Facial expression and taste, anterior 2/3 of tongue

• motor

VIII Vestibulocochlear Nerve: Function, Specific function, test, disorder

• Sensory

• Vertigo, tinnitus

• Tuning fork to hear

• Hearing and balance

• motor

IX Glossopharyngeal Nerve: Function, Specific function, test, disorder

• Sensory

• Acid reflex

• gag reflex

• Pharyngeal muscles and tase posterior 1/3 of tongue

• motor

XI Accessory Nerve: Function, Specific function, test

• Sensory

• gag reflex

• shrug shoulders

• innervate trapezius and sternocleidomastoid

• motor