spinal cord and meninges

Question 1

how many spinal nerves in spinal cord

Answer 1

31 pairs

Question 2

spinal cord goes between _____ and _____

Answer 2

medulla oblongata and L1-L2 vertebral level

Question 3

what is in grey matter

Answer 3

H shapes, cell bodies located there. anterior horn, lateral horn, posterior horn

Question 4

what is in white matter

Answer 4

axons

Question 5

nissi bodies

Answer 5

rough endoplasmic reticulum in bell bodies

Question 6

how do spinal nerves exit the cord

Answer 6

intervertebral foramen

Question 7

nerve plexus that supplies upper limb

Answer 7

brachial plexus

Question 8

nerve plexus that supplies lower limb

Answer 8

lumbosacral plexus

Question 9

what kind of nerves use dorsal root

Answer 9

sensory

Question 10

what kind of nerves use

Answer 10

motor

Question 11

what do spinal meninges do

Answer 11

works with cerebral spinal fluid to protect the spinal cord

Question 12

layers of meninges

Answer 12

dura mater(outside), arachnoid mater, pia mater (closest and vascular)

Question 13

where is the cerebrospinal fluid found

Answer 13

between the arachnoid and Pia mater

Question 14

where does sympathetic outflow come from

Answer 14

thoracolumbar section ( T1-L2)

Question 15

where does parasympathetic outflow come from

Answer 15

craniosacral section (brain and s2-24)

Question 16

dural sac

Answer 16

membranous sheath or tube of dura mater that surrounds the spinal cord

Question 17

ischemia

Answer 17

deficiency of blood supply to spinal cord

Question 18

where do u do lumbar puncture and why

Answer 18

L3-L4 or L4-L5 and to drain some cerebrospinal fluid or to give lumbar injection for epidural