Quiz 1: Cranial Nerves Flashcards
CN I
Olfactory Nerve: Special sensory for smell
CN II
Optic Nerve: Special Sensory for Vision
CN III
Oculomotor Nerve: Motor to all extraocular muscles except the superior oblique and lateral rectus. Parasympathetic (visceral motor) to smooth muscle inside eye (sphincter papillae and ciliary muscle)
CN IV
Trochlear Nerve: Motor to superior oblique muscle
CN V
Trigeminal Nerve: Major sensory nerve of the head and motor to muscles of mastication
CN VI
Abducens: Motor to the lateral rectus muscle
CN VII
Facial nerve is motor to muscles of facial expression
CN VIII
Vestibulocochlear Nerve: Special sensory for hearing and vestibular system
CN IX
Glossopharyngeal Nerve: General sensory supply from the tongue and pharynx; motor to the stylopharyngeus muscle
CN X
Vagus Nerve: Motor to muscles of the pharynx, larynx and soft palate
CN XI
Spinal accessory Nerve: Motor to SCM and Trapezius muscles
XII
Hypoglossal: Motor to all intrinsic and extrinsic muscles of the tongue except palatoglossus
Superior Oblique (CN IV)
- Depression
- Abduction
- Internal rotation
Lateral Rectus (CN VI)
- Abduction of eyeball
What cranial nerves are parasympathetic
III, VII, IX, X
