Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Human Anatomy II - Exam 3 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

SSS

special sensory

A

special senses derived from ectoderm - sight sound and balance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

SVS

special visceral sensory

A

special senses derived from endoderm - taste

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

SVM

special visceral motor

A

muscles derived from pharyngeal arches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

GVS

general visceral sensory

A

general sensation from viscera

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

GVM

general visceral motor

A

to smooth muscles of gut tract and autonomic motor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

GSS

general somatic sensory

A

general senses from ectoderm (skin)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

GSM

general somatic motor

A

skeletal muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

CN I

A
  • Olfactory Nerve
  • SVS
  • function: smell
  • passes through cribiform plate to olfactory bulbs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

CN II

A
  • Optic Nerve
  • SVS
  • function: sight
  • exits through optic canal
  • begins in ganglionic layer of retina
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

CN III

A
  • Oculomotor Nerve
  • GSM and GVM
  • superior orbital fissure
  • GSM: oculomotor nuclear complex. supplies 4 of 6 extrinsic muscles of the eye (superior rectus, inferior rectus, medial rectus and inferior oblique) and levator palprae superioris
  • GVM: Edinger-Westphal nucleus. supplies constrictor pupillae and ciliary muscles
  • controls shape of lens and pupil
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

CN IV

A
  • Trochlear Nerve
  • GSM
  • superior orbital fissure
  • function: eye movement
  • innervates superior oblique muscle of eye
  • only crossed cranial nerve
  • only cranial nerve that emerges dorsally
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

CN V

A
  • Trigeminal Nerve
  • major sensory nerve to face
  • supplies motor innervation to muscles of mastication
  • GSS: semilunar ganglion. sensory to face and anterior scalp, conjunctiva and eyeball, paranasal sinuses, nasal and oral cavities, anterior 2/3 tongue, external TM, dura of middle and anterior cranial fossa
  • SVM: masticator nucleus. motor innervation to muscles of mastication )tempoalis, masseter and pterygoids), tensor veli palatini, tensor tympani, mylohyoid and anterior belly of digastric
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Ophthalmic Branch of Trigeminal Nerve

A
  • superior orbital fissure
  • general sensory to the orbit and its contents
  • also sensation to nose, skin above eye (only upper eyelid)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Maxillary Branch of Trigeminal Nerve

A
  • foramen rotundum

- provides sensation to maxillary region

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Mandibular Branch of the Trigeminal Nerve

A
  • foramen ovale

- provides sensation to the mandibular region

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

CN VI

A
  • Abducens Nerve
  • superior orbital fissure
  • function: eye movement
  • GSM
  • originates from abducens nucleus
  • lies on medial aspect of lateral rectus muscle
  • innervates lateral rectus muscle
17
Q

CN VII

A
  • Facial Nerve
  • stylomastoid foramen
  • primary motor nerve to muscles of facial expression
  • piggybacks on CN V to lacrimal gland
  • SVM: supply mimetic muscles (temporal, zygomatic, buccal, mandibular, cervical), stapedius, stylohyoideus, and posterior digastric
  • GSS: geniculate nucleus, supply external ear
  • SVS: geniculate ganglion. taste from anterior 2/3 tongue, hard and soft palates
  • GVM: superior salvitory nucleus and lacrimal nucleus. supplies lacrimal gland, submandibular and sublingual glands, and mucous glands
18
Q

CN VIII

A
  • Vestibulocochlear Nerve
  • leaves via internal acoustic meatus
  • SSS
  • auditory component: functions in hearing, cell bodies in spiral ganglion of cochlea
  • vestibular component: functions in balance, cells bodies in vestibular ganglion
19
Q

CN IX

A
  • Glossopharyngeal Nerve
  • jugular foramen
  • SVM: nucleus ambiguous, supplies the stylopharyngeus muscle
  • GVM: parotid gland
  • GVS: carotid body and carotid sinus
  • GSS: sensation from posterior 1/3 of tongue, external ear, middle ear cavity
  • SVS: taste from posterior 1/3 of tongue
20
Q

CN X

A
  • Vagus Nerve
  • motor innervation to muscles of larynx
  • major parasympathetic nerve to thoracic and abdominal organs
  • SVM: nucleus ambiguous. supplies striated muscles of pharynx and larynx (EXCEPT tensor veli palantini, stylopharyngeus and palatoglossal)
  • GVM: myenteric plexus in wall of gut tube. supplies smooth muscles of pharynx, larynx, thoracic and abdominal viscera as far as left colic flexure
  • GVS: sensation from larynx and pharynx, thoracic and abdominal viscera to left colic flexure
  • GSS: sensation from external ear, pharynx
21
Q

CN XI

A
  • Spinal Accessory Nerve
  • enters through foramen magnum and exits through jugular foramen
  • arises from C1-3 lateral rootlets
  • SVM
  • function: motor innervation to sternocleidomastoid and trapezius
22
Q

CN XII

A
  • Hypoglossal Nerve
  • hypoglossal foramen
  • GSM
  • supplies extrinsic and intrinsic muscles of tongue
  • descends in neck b/w internal carotid and internal jugular
  • in neck gives rise to superior root of ansa cervicalis and nerve to thyrohyoid muscle

Human Anatomy II - Exam 3 (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions