Spinal Nerves Flashcards

1
Q

CN I

A

Olfactory; Sensory

Smell-SVA

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

CN II

A

Optic; Sensory

Vision-SSA

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

CN III

A

Oculomotor; Motor

GVE: PNS control of ciliary, papillary sphincter Mm
GSE: motor to dorsal, ventral, medial rectus Mm, ventral oblique & levator palpebral superioris Mm

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

CN IV

A

Trochlear; Motor

GSE: motor to dorsal oblique M

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

CN V

A

Trigeminal; Mixed

V1 (ophthalmic N): GSA
V2 (maxillary N): GSA
V3 (mandibular N): SVE – motor to Mm of mastication; also sensory

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

CN VI

A

Abducens; Motor

GSE: motor to lateral rectus and retractor bulbi Mm

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

CN VII

A

Facial; Mixed

SVE: motor to superficial mm of head & face, caudal belly of digastricus M, platysma, stylohyoideus, stapedius
SVA: sensory to rostral 2/3 of tongue via chorda tympani N
GSA: sensory to concave surface of ear & ear canal via internal auricular branches (runs with CrN X)
GVE: PNS; lacrimal, nasal, palatine glands via pterygopalatine ggl, mandibular & sublingual glands via mandibular & sublingual ganglia

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

CN VIII

A

Vestibulocochlear; Sensory; SSA

Vestibular SP: balance, equilibrium
Cochlear: SP hearing

(SP=special proprioception)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

CN IX

A

Glossopharyngeal; Mixed

SVA: sensory to taste of caudal 1/3 tongue
GVA: sensory to caudal 1/3 tongue, pharynx, palate; carotid sinus baro- and chemo- receptors
SVE: motor to striated Mm of pharynx
GVE: PNS, to parotid gland; carotid sinus baro- and chemo- receptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

CN X

A

Vagus; Mixed

SVE: motor to pharyngeal Mm, intrinsic Mm of larynx (recurrent laryngeal N), cricothyroideus M (cranial laryngeal N)
GVA: sensory to pharynx, larynx, thoracic & abdominal viscera
GVE: PNS to pharynx, larynx, trachea, esophagus, thoracic & abdominal viscera

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

CN XI

A

Accesory; Motor

SVE: motor to Mm of neck and forelimb Mm of brachial arch origin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

CN XII

A

Hypoglossal; Motor

GSE: motor to Mm of tongue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

True or False:

Except for GVE, all efferent classifications are motor. All afferent classifications are sensory

A

True

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