Cranial Nerves Flashcards
I
Olfactory - Nose
Cortex
II
Optic - Eye
Thalamus
III
Oculomotor - Movement of upper eye lid and eyeball; alters shape of lens for near vision and constricts pupil
Midbrain
IV
Trochlear - Movement of the eyeball
Midbrain
V
Trigeminal - Touch, pain, temperature sensations and muscle sense; chewing
Lateral pons
VI
Abducens - Movement of the eyeball
Ponto - medullary
VII
Facial - Taste, muscle sense; touch, pain and temperature. Facial expressions; secretions of tears and saliva
Ponto - medullary
VIII
Vestibulocochlear - Inner ear, hearing
Ponto - medullary
IX
Glossopharyngeal - Swallowing, speech, secretion of saliva
Lateral medulla
X
Vagus - Swallowing, coughing and voice production, smooth muscle contraction and relaxation in organs of the GI tract. Slowing of heart rate and secretion of digestive fluids
Lateral medulla
XI
Accessory - Movement of head and shoulders
Spinal cord C1 - C%
XII
Hypoglossal - movement of tongue during speech and swallowing
Ventral medulla