Cranial Nerves Flashcards
NAME CN 1
OLFACTORY
NAME CN 2
OPTIC
NAME CN 3
OCULOMOTOR
NAME CN 4
TROCHLEAR
NAME CN 5
TRIGEMINAL
NAME CN 6
ABDUCENS
NAME CN 7
FACIAL
NAME CN 8
VESTIBULOCOCHLEAR
NAME CN 9
GLOSSOPHARYNGEAL
NAME CN 10
VAGUS
NAME CN 11
ACCESSORY
NAME CN 12
HYPOGLOSSAL
WHAT DOES CN 1 DO
SMELL
WHAT DOES CN 2 DO
VISION
WHAT DOES CN 3 DO
EYE MOVEMENT - superior rectus - inferior rectus - medial rectus - inferior oblique RADIAL MUSCLE OF IRIS SENSORY: cornea
WHAT DOES CN 4 DO
ONE EXTRA OCULAR EYE MUSCLE:
- dorsal oblique
WHAT DOES CN 5 DO
MOTOR:
- muscles of mastication: masseter and temporalis
SENSORY:
- face, nasal and oral cavities
- ophthalmic division, maxillary division and mandibular division of face
WHAT DOES CN 6 DO
ONE OCULAR EYE MUSCLE:
- lateral rectus
WHAT DOES CN 7 DO
MOTOR: - muscle of facial expression - frontalis SENSORY: - taste buds of anterior 2/3 of tongue - salivary glands: submandibular and submaxillary - lacrimal gland
WHAT DOES CN 8 DO
VESTIBULAR PART FOR BALANCE
COCHLEAR PART FOR HEARING
WHAT DOES CN 9 DO
MOTOR:
- muscle of tongue, pharynx and larynx
WHAT DOES CN 10 DO
MOTOR:
- pharyngolaryngeal muscles
VISCERA IN THORACIC AND ABDOMINAL CAVITY
HEART: parasympathetic
WHAT DOES CN 11 DO
MOTOR:
- stenocleidomastoideus (anterior neck)
- trapezius (posterior neck)
- laryngeal muscles
WHAT DOES CN 12 DO
MOTOR:
- muscle of tongue
WHICH CN HAVE MOTOR FUNCTION ONLY
TROCHLEAR, ABDUCENS, GLOSSOPHARYNGEAL, ACCESORY, HYPOGLOSSAL
WHICH CN ARE ONLY SENSORY
OLFACTORY, OPTIC, VESTIBULOCOCHLEAR
WHICH CN ARE MIXED
OCULOMOTOR, TRIGEMINAL, FACIAL, VAGUS
