The Cranial Nerves Flashcards
CN I
Olfactory nerve
CN II
Optic nerve
CN III
Oculomotor nerve
CN IV
Trochlear nerve
CN V
Trigeminal nerve
CN VI
Abducens nerve
CN VII
Facial nerve
CN VIII
Vestibulocochlear nerve
CN IX
Glossopharyngeal nerve
CN X
Vagus nerve
CN XI
Accessory nerve
CN XII
Hypoglossal nerve
CN I function
Olfactory nerve
Special afferent- smell
CN II function
Optic nerve
Special afferent-sight
CN III function
Oculomotor nerve
Eye movement, pupil constriction
CN IV function
Trochlear nerve
Eye movement
CN V function
Trigeminal nerve
Somatosensory information of face (touch, pain)
Muscles of mastication
CN VI function
Abducens nerve
Eye movement
CN VII function
Facial nerve
Taste anterior 2 thirds of the tongue
Somatosensory info from ear
Muscles of facial expression
CN VIII function
Vestibulocochlear
Special afferent- hearing and balance
CN IX function
Glossopharyngeal nerve
Taste posterior third of the tongue
Somatosensory info from tongue, tonsils and pharynx
Muscles in swallowing and gag reflex
CN X function
Vagus nerve
Sensory, motor and autonomic functions of viscera (glands, digestion, heart rate)
CN XI function
Accessory nerve
Muscles- sternocleidomastoid and trapezius
CN XII function
Hypoglossal nerve
Enables tongue movement- innervates muscles of the tongue