spinal nerves

Question 1

spinal cord regions

Answer 1

cervical, thoracic, lumbar, sacral, coccygeal

Question 2

cervical SC region

Answer 2

C1-C8

Question 3

thoracic spinal cord region

Answer 3

T1-T12

Question 4

how many spinal nerves does coccygeal region have

Answer 4

one pair

Question 5

conus medullaris

Answer 5

tapering end of spinal cord (L1)

Question 6

cauda equina

Answer 6

group of axons, project inferiorly from spinal cord

Question 7

filum terminale

Answer 7

composed of pia mater, from conus medullaris to coccyx, within cauda equina

Question 8

enlargement

Answer 8

where spinal cord is bigger bc they have more neurons

Question 9

types of enlargements

Answer 9

cervical and lumbosacral

Question 10

cervical enlargement

Answer 10

inferior cervical region
contains neurons that innervates upper limbs

Question 11

lumbosacral enlargement

Answer 11

mid lumbar region
neurons that innervate lower limbs

Question 12

how many pairs of spinal nerves are there

Answer 12

31
8 cervical
12 thoracic
5 lumbar
5 sacral
1 coccygeal

Question 13

where spinal tap goes

Answer 13

L3-L4, subarachnoid space

Question 14

nerve plexus

Answer 14

group of spinal nerves
back up system damage to one nerve doesn’t completely damage function

Question 15

cervical plexus

Answer 15

C1-C4
anterior neck muscles, skin of neck, head, shoulders
phrenic nerve 3-5

Question 16

suffocation

Answer 16

injury above C3

Question 17

hiccups

Answer 17

irritation of phrenic nerve
causing spasms of diaphragm and sudden closure of epiglottis

Question 18

brachial plexus nerves

Answer 18

axillary, median, brachial, ulnar, radial

Question 19

axillary nerve

Answer 19

innervates teres minor and deltoid
sensory from superolateral arm and skin

Question 20

median nerve

Answer 20

innervates antebrachium and manus (muscles)
sensory from fingers 1 2 3 part of 4
nerve associated w carpal tunnel

Question 21

nerve associated with carpal tunnel

Answer 21

median nerve

Question 22

musculocutaneous nerve

Answer 22

innervates elbow flexors (biceps)
sensory : lateral forearm surface

Question 23

radial nerve

Answer 23

innervate triceps
sensory from posterior arm and surface of forearm
back lateral side of hand

Question 24

ulnar nerve

Answer 24

funny bone
innervate manus and antebrachium
sensory fingers 4 and 5

Question 25

lumbar plexus

Answer 25

L1-L4
give rise to femoral and obturator nerves

Question 26

femoral nerve

Answer 26

innervate quads and sartorius
sensory: front and medial thigh medial leg

Question 27

obturator nerve

Answer 27

innervate gracious and other
sensory from up middle thigh

Question 28

sacral plexus

Answer 28

L4-S4
give rise to sciatic nerve

Question 29

sciatic nerve splits into what

Answer 29

split into common peroneal and tibial nerve above popliteal fossa

Question 30

sciatic nerve

Answer 30

deep to piriformis, tight p would compress nerve
largest nerve in body

Question 31

tibial nerve

Answer 31

posterior!
innervate hamstrings, gastrocnemius, soleus (all posterior leg muscles)
sensory: bottom of foot (plantar)

Question 32

common fibular (peroneal) nerve

Answer 32

front
innervate tibialis, fibularus longus, back of foot
sensory front lateral part of leg, toes, back of foot

Question 33

neural canal

Answer 33

fetal, forms central canal of SC

Question 34

quadriplegia

Answer 34

injury between C4-C7

Question 35

paraplegia

Answer 35

injury to T1-L1

Question 36

C 3-5

Answer 36

keeps the phrenic alive

Question 37

shingles

Answer 37

one sided rash follows a dermatome (old chickenpox)