Cranial Nerves Flashcards
1
Q
I
A
Olfactory nerve Foramina: cribiform plate Innervates: superior nasal concha Type: sensory Function: smell
2
Q
II
A
Optic nerve Foramina: optic canal Innervates: retina Type: sensory Function: vision
3
Q
III
A
Oculomotor nerve Foramina: superior orbital fissure Innervates: superior, medial, inferior rectus and inferior oblique Type: motor Function: most eye movement
4
Q
IV
A
Trochlear nerve Foramina: superior orbital fissure Innervates: Superior oblique muscle Type: motor Function: eye movement-devoted to one eye muscle
5
Q
V1
A
Ophthalmic nerve
Foramina: superior orbital fissure
Type: division of trigeminal
6
Q
VI
A
Abducens nerve Foramina: superior orbital fissure Innervates: lateral rectus muscle Type: motor Function: Abducts eye/eye movement
7
Q
V2
A
Maxillary nerve
Foramina: foramen rotundum
Type: division of trigeminal nerve
8
Q
V3
A
Mandibular nerve
Foramina: foramen ovale
Type: division of trigeminal nerve
9
Q
VII
A
Facial nerve Foramina: internal acoustic meatus Innervates: muscles of facial expression; taste from anterior 2/3 of tongue Type: both Function: facial expression, taste
10
Q
VIII
A
Vestibulocochlear nerve Foramina: internal acoustic meatus Innervates: inner ear Type: sensory Function: hearing, balance
11
Q
IX
A
Glosopharyngeal nerve Foramina: jugular foramen Innervates: structures of the tongue and pharynx; general sensation and taste from posterior 1/3 of tongue Type: both Function: taste, gag reflex
12
Q
X
A
Vagus nerve Foramina: jugular foramen Innervates: larynx, motor and sensory; parasympathetic innervation of organs Type: Both Function: gag reflex, parasympathetic
13
Q
XI
A
Accessory nerve Foramina: jugular foramen Innervates: trapezius and sternocleidomastoid muscles Type: motor Function: shoulder shrug
14
Q
XII
A
Hypoglossal nerve Foramina: hypoglossal canal Innervates: tongue muscles Type: motor Function: swallowing, speech
15
Q
V
A
Trigeminal nerve
Provides sensory innervation to the face: orbit, nasal and oral cavity, skin of face
Foramen: superior orbital fissure, ovale, rotundum, mental, mandibular
Type: both
Function: facial sensation, motor for mastication
