Cranial Nerves Flashcards
What is CN 1?
Olfactory
What is CN 2?
Optic
What is CN 3?
Occulomotor
What is CN 4?
Trochlear
What is CN 5?
Trigeminal
What is CN 6?
Abducens
What is CN 7?
Facial
What is CN 8?
Vestibulocochlear
What is CN 9?
Glossopharyngeal
What is CN 10?
Vagus
What is CN 11?
Spinal Accessory
What is CN 12?
Hypoglossal
What are the functions of CN 1?
-Sense of smell
What are the functions of CN 2?
-Sense of vision
What are the functions of CN3?
-Motor to eyeball-Levator palpibre motor (eyelid)-Parasympathetic Motor Control To Pupil
What are the functions of CN 4?
-Motor to eyeball
What are the functions of CN 5?
-Mastication motor-Epicritic face and tongue sensation (2/3)-Protopathic face and tongue sensation-Unconscious proprioception and sensory for bite reflex
What are the functions of CN 6?
-Eye movement
What are the functions of CN 7?
-Motor facial expression-Parasympathetic to all facial glands of head except for parotid and skin-Sensory to external ear external tympanic membrane-Taste sense to anterior 2/3 of tongue
What are the functions of CN 8?
-Special sense for hearing-Posture and equilibrium
What are the functions of CN 9?
-Motor: gag and swallowing-Parasympathetic motor to parotid gland-Visceral sensory to carotid body-Sensory to posterior tongue, pharynx, external ear, external tympanic membrane
What are the functions of CN 10?
-Motor to pharynx larynx and vulva-Parasympathetic motor to larynx, thoracic and abdominal organs-Visceral sense to larynx, thoracic and abdominal organs-Sensory to external ear and external tympanic membrane
What are the functions of CN 11?
-Motor to Sternocleidomastoid and Trapezius
What are the functions of CN 12?
-Motor to intrinsics and extrinsics of tongue (speech)