l5

Question 1

size of afferent neuron + correlate

Answer 1

varies
correlate with conduction speed
correlate with tyoe of sensory receptor that connect

Question 2

endoneurium

Answer 2

innermost connective tissue layer that surrounds each individual nerve fiber (axon) within a nerve fascicle.

Question 2

perineurium

Answer 2

connective tissue layer surrounds a fascicle—a bundle of axons

Question 3

epineurium

Answer 3

outermost layer surround a nerve

Question 4

somatic in sensory includes what receptors

Answer 4

extero (skin touch)
proprio (muscle joints)
intero (pain, temp, pressure)

Question 5

vasculature

Answer 5

help o2 delivery

Question 6

synapses between axon terminal and muscle call?

Answer 6

neuromuscular junction

Question 7

roots

Answer 7

either sensory or motor

Question 8

ramus

Answer 8

both sensory and motor

Question 9

ventral rami of spinal nerve

Answer 9

cervical c1 5
branchial c5 t1
lumber l1 l4
sacral l4 l5 s1 3

Question 10

network of nerve call

Answer 10

plexus

Question 11

cervical plexus func

Answer 11

sensory neck chest
motor neck diaphragm

Question 12

branchial plexus func

Answer 12

sensory motor upper limb

Question 13

sacrsl plexus func

Answer 13

muscle lower limb
sensation lower limb genital
autonomic (bladder contraction, bowel movement, sexual func)

Question 14

lumbar plexus func

Answer 14

abdominal genital area

Question 15

parasympathetic number?

Answer 15

III VII IX X

Question 16

is optic nerve in pns

Answer 16

no it’s in cns

Question 17

trigeminal has major somatosensory nerve for?
motor for?

Answer 17

pain temp tongue, face, top scalp, nasal, oral cavity

motor for chewing

Question 18

tregimenal ganglion equivalent to

Answer 18

dorsal root ganglion

Question 19

mandibular nerve (of tregimental nerve) equivalent to?

Answer 19

ventral roots

axons of LMN (from cell bodies in brainstem - pons)
for muscles travel in mandibular

hm
/?

Question 20

trigeminal nerve has 3 distinguished branches

Answer 20

opthalmic (top)
maxilary (middle)
mandibular (lower)

Question 21

facial func

Answer 21

facial expression
saliva, ear glands
2/3 anterior tongue

Question 22

2 branches in vestibulocochlea

Answer 22

vestibular branch
cochlear branches

Question 23

GLOSSOPHARYGEAL emerge from..?

Answer 23

medulla lateral to olives

Question 24

GLOSSOPHARYNGEAL carry?

Answer 24

visceral sensation, chemor + baroreceptors (blood pressures) in carotid body + sinus somatosensory sensation: back oral cavity and upper pharynx) - taste (back third) - visceral motor (saliva)

Question 25

olfactory neuron detect stimuli

Answer 25

above cribifrom, axon travel through bones

Question 26

optic chiasm

Answer 26

fibres cross here before entering cns via optic tract

Question 27

damage before chiasim?

Answer 27

lost 1 eye vision

Question 28

damage after chiasm (eg stroke)

Answer 28

lost left/right side of both eyes

Question 29

nerve

Answer 29

bundle of axon in pns

Question 30

tract

Answer 30

bundle of axon in cns

Question 31

oculomotor function

Answer 31

4 extrinsic eye movements up down medially rotation -> also eyelid closure - visceral -> pupil constriction

Question 32

trochlear function function

Answer 32

one extrinsic eye muscle

Question 33

abduscent function

Answer 33

one extrinsic eye muscle lateral

Question 34

trigeminal has nerve attach in 3 distinguish?

Answer 34

opthalmic (top) maxilary (middle) mandibular (lower)

Question 35

vestibulocochlea enter brainstem at?

Answer 35

medulla pons border

Question 36

vagus visceral sensory in charge of

Answer 36

sensory from visceral tissue chemoreceptors stretch receptor - > internal environment body

Question 37

vagus general somatosensory in charge of

Answer 37

sense from pharynx, larynx, meninges

Question 38

vagus motor visceral in charge of

Answer 38

airways, digestive, cardiovascular

Question 39

vagus somatic motor in charge of

Answer 39

muscle from phrynx, larynx, soft palate epiglottis

Question 40

accessory function

Answer 40

2 neck muscle trapeziud: tilt head back, side, shoulder sternocleidomastoid = rotate head jaw oppsite side

Question 41

accessory has cell bodies in

Answer 41

ventral horn - > axon exit ventral root -> up in subarachnoid -> foramagnum -> cranium -> muscle

Question 42

Hypoglossal function

Answer 42

muscle tongue

Question 43

rootlets of hypoglossal emerge between

Answer 43

pyramids and olives in medulla