Cranial Nerves Flashcards
Cranial Nerve 1
Olfactory
Special Sensory Function: Smell
Cranial Nerve 2
Optic
Special Sensory Function: Vision
Cranial Nerve 3
Oculomotor
Somatic Motor Function: up+ down and side to side
Innervates: Superior Rectus, Inferior Rectus, Medial Rectus, and Inferior Oblique
Parasympathetic Motor Function: Pupil constriction
Cranial Nerve 4
Trochlear
Somatic Motor Function: Superior Oblique- looking down + in
Cranial Nerve 5
Trigeminal
Sensory function: Sensory impute to face
Motor function: muscles of mastication
Cranial Nerve 6
Abducens
Somatic Motor Function: lateral rectus, shifting vision to the lateral side
Cranial Nerve 7
Facial
5 branches: temporal, zygomatic, buccal, mandibular, cervical
Special Sensory Function: Taste from anterior 2/3 of tongue
Sensory: near external auditory meatus
Somatic Motor Function: muscles of facial expression and stylohyoid muscle
Parasympathetic Motor Function: lacrimal and salivary gland secretion
Cranial Nerve 8
Vestibulocochlear
Special Sensory Function: equilibrium and hearing
Cranial Nerve 9
Glossopharyngeal
Special Sensory Function: taste for posterior 1/3 of tongue
Sensory Function: posterior 1/3 of tongue + pharynx
Parasympathetic Function: parotid salivary gland
Cranial Nerve 10
Vagus
Travel and wondering nerve
Sensory Function: pharynx, larynx, heart, lungs, GI tract
Special Sensory Function: taste to root of tongue
Somatic Motor Function: pharynx and larynx
Parasympathetic Motor Function: Visceral smooth muscle, Cardiac muscle, glands
Cranial Nerve 11
Accessory
Somatic Motor Function: cranial root- pharynx, spinal root- trapezius and sternocleidomastoid
Cranial Nerve 12
Hypoglossal
Somatic Motor Function: intrinsic and extrinsic tongue muscles- palatoglossus, styloglossus, genioglossus, hypoglossus
Which cranial nerves have parasympathetic functions?
Oculomotor, facial, glossopharyngeal, vagus
