Neuro 2 Cranial Nerves

Front 1

What cell body is always in the brainstem nucleus?

Back 1

second

Front 2

Where are the first second and third cell bodies of the sensory system?

Back 2

head sensory location to brainstem nucleus to brain

Front 3

Where are the first second and third cell bodies of the motor system?

Back 3

brain cell in motor cortex to brainstem nucleus to muscle or ganglion (if parasympathetic) to organ (if parasympathetic)

Front 4

What is general v. special?

Back 4

not unique to head v unique to head

Front 5

What is somatic vs visceral?

Back 5

concious v. unconcious (which includes taste and smell for some crazy reason)

Front 6

What is afferent and what is efferent?

Back 6

sensory motor

Front 7

Which nerves are sensory-only?

Back 7

olfactory, optic, vestibulocochlear

Front 8

What is the vestibular nuclei particularly important for?

Back 8

eyes being steady while your head moves

Front 9

Where is the cochlear nuclei in a cross section in reference to the inferior cerebellar peduncle? middle?

Back 9

above, below

Front 10

Where does the vestibular part of the vestibulocochlear nerve come from?

Back 10

semicircular cannals

Front 11

What are the motor-only nerves?

Back 11

oculomotor, trochlear, abducens, spinal accessory, hypoglossal

Front 12

Which nerves of the motor-only are somatic motor? how-so?

Back 12

oculomotor, trochear, abducens, move eye muscles

Front 13

Which muscles does the spinal accessory move?

Back 13

sternocleidomastoid and trapezius

Front 14

What classification does spinal accessory fall under?

Back 14

motor-only branchial/visceral motor

Front 15

How does superior rectus move the eye?

Back 15

Up

Front 16

How does inferior rectus move the eye?

Back 16

Down

Front 17

How does medial rectus move the eye?

Back 17

medially

Front 18

How does lateral rectus move the eye?

Back 18

laterally

Front 19

How does superior oblique move the eye?

Back 19

down and medial

Front 20

How does inferior oblique move the eye?

Back 20

up and medial

Front 21

Which muscles does the oculomotor move via which nucleus?

Back 21

superior rectus, inferior rectus, medial rectus, inferior oblique, levatr palpebrae superioris (eyelid), via oculomotor nucleus

Front 22

Which muscles does the oculomotor move via the weird nucleus (which)?

Back 22

ciliary muscles for lens accomodation and pupil constrictor muscles

Front 23

Which NT does parasympathetic system use?

Back 23

ACh

Front 24

Which nerves control PNS?

Back 24

3 (oculomotor) 7 (Facial) 9 (Glossopharyngeal) 10 (Hypoglossal)

Front 25

What things do the PNS cranial nerves control?

Back 25

tears, spit, mucus, digestion

Front 26

Which muscle does the trochlear nerve control?

Back 26

superior oblique

Front 27

Which muscle does the Abducens control?

Back 27

Lateral rectus

Front 28

What does branchial mean? Which muscles are included?

Back 28

derived from gill arches, which includes muscles of mastication, pharynx, larynx, sternocleidomastoid, trapezius

Front 29

Which nerves are branchial?

Back 29

5 (Trigeminal) 7 (Facial) 9 (Glossopharyngeal) 10 (Hypoglossal)

Front 30

Which muscles does the hypoglossal control?

Back 30

tongue muscles

Front 31

Which nerves are mixed sensory and motor?

Back 31

trigeminal, facial, glossopharyngeal, vagus

Front 32

Which nuclei are arssociated with mixed nerves?

Back 32

SAT so solitarius, ambiguus, trigeminal

Front 33

Which nerves utilize the nucleus solitarius and for what?

Back 33

facial, glossopharyngeal, vagus, for taste and chemoreception

Front 34

Which nerves utilize the nucleus ambiguus and for what?

Back 34

glossopharyngeal and vagus for swallowing, talking, gagging

Front 35

Which nerves utilize the spinal trigeminal nucleus and for what?

Back 35

trigeminal, facial, glossopharyngeal, vagus, for protopathic from face and outer ear

Front 36

What is the function of the trigeminal nerve?

Back 36

proprioceptive info from face and mouth, muscles of mastication, protopahtic info

Front 37

What are the subtypes of the trigeminal nerve?

Back 37

mesencephalic trigeminal, main sensory trigeminal, motor trigeminal, spinal trigeminal

Front 38

Which dermatomes does the trigeminal affect and where?

Back 38

V1-3 of face

Front 39

Tell me about the V1 dermatome

Back 39

opthalamic, top, bridge of nose and eyes

Front 40

Tell me about the V2 dermatome

Back 40

maxillary, temples, cheeks, upper mouth

Front 41

Tell me about the V3 dermatome

Back 41

Mandibular, back, side of head, bottom mouth and chin

Front 42

What is the only descending sensory tract?

Back 42

spinal trigeminal tracts

Front 43

Where does the spinal trigeminal synapse in the brainstem? Where does it go next?

Back 43

substantia gelatinosa, VPM

Front 44

What is the VPL for? VPM?

Back 44

somatosensation for body, for facce

Front 45

How does the spinal trigeminal ascend in the brainstem (in what?)

Back 45

medial lemniscus

Front 46

WHat is the function of the mesencephalic system?

Back 46

proprioceptive for muscles of mastication

Front 47

What is the function of the trigeminal motor system?

Back 47

muscles of chewing and tensor tympani (dampen sound)

Front 48

Which nuclei does the facial nerve utilize?

Back 48

facial motor nucleus, superior salivatory nucleus, nucleus solitarius, spinal trigeminal nucleus

Front 49

What is the funciton of the facial motor nucleus as it relates to the facial ? What is its classification?

Back 49

facial expression (branchial motor)

Front 50

What is the fuction of the superior salivatory nucleus as it relates to the facial nerve? What is its classification?

Back 50

tears and spit, visceral motor

Front 51

What is the function of the nucleus soltiarius as it relates to the facial nerve? What is its classification?

Back 51

taste, anterior 2/3, special sensory

Front 52

What is the function of the spinal trigeminal nucleus as it relates to the facial nerve? What is its classification?

Back 52

protopathic from external ear, general sensory (=earbit)

Front 53

What is a real smile called?

Back 53

duchenne smile

Front 54

What does damage to the facial nerve result in?

Back 54

bells palsy, drooping ipsilateral and cant smile naturally

Front 55

What mark the 2/3 boundary on the tongue?

Back 55

vallate papillae

Front 56

Which nuclei does the glossopharyngeal nerve utilize? What do they do?

Back 56

solitarius (taste in posterior 2/3 of tongue)
ambiguus (gagging)
spinal trigeminal (earbit)
inferior salivatory (salivation)

Front 57

Which nuclei does the vagus nerve utilize? What do they do?

Back 57

solitarius (chemoreception from pharynx, eppiglotis, larynx, vasculature)
ambiguus (swallowing and talking)
trigeminal (spinal)(protopathic from earbit)
dorsal motor nuc of vagus (parasympathetic)