Spinal Chord

Question 0

Spinal chord is located

Answer 0

Medulla to L2

Question 1

CSF comes from

Answer 1

Brain

Question 2

Spinal chord length and width

Answer 2

16-18 in

3/4 in

Question 3

Cervical enlargement is located

Answer 3

C4-t1

Upper limbs, nerves to arms)

Question 4

Lumbar enlargement located

Answer 4

T9 -t12 nerves to legs

Question 5

Spinal nerves are ___

Answer 5

Mixed efferent/afferent

Question 6

Conus medullaris is located

Answer 6

L1- L2 tip of spinal chord

Question 7

Cauda equina are

Answer 7

Spinal nerves that hang off the end of spinal chord.

Question 8

Pia mater clings to spinal chord and hangs off like a string tied to the coccyx

Answer 8

Filum terminale

Question 9

Ventral groove (wide)

Answer 9

Anterior median fissure

Question 10

Dorsal, shallow

Answer 10

Posterior median sulcus

Question 11

Contains somas, Neuroglia , some unmyelinated axons, dendrites of inter neurons/ efferent (horns)

Answer 11

Grey matter

Question 12

Mostly myelinated axons (columns)

Answer 12

White matter

Question 13

Crossbar of (h) contains central canal

Answer 13

Gray commodore

Question 14

Arises from 4th ventricle

Answer 14

Central canal

Question 15

Connects anterior white matter

Answer 15

Anterior white composure

Question 16

Grey horn
Somas of somatic, motor efferent neurons.
- voluntary muscle descriptions

Answer 16

Anterior (ventral) horns

Question 17

Grey horn

Somatic, autonomic sensory (afferent) somas. (All sensory info).

Answer 17

Posterior (dorsal) horns

Question 18

(T and L only) autonomic, motor efferent somas, involuntary muscle constructions!

Answer 18

Lateral horns

Question 19

White columns

Answer 19

Posterior dorsal white columns
Anterior ventral white columns
Lateral white columns

Question 20

Reflex, neuron link, afferent to efferent, neuron without brain involvement.

Answer 20

Inter neuron

Question 21

Roots

Somas of sensory (afferent) neuron (PNS) unipolar ganglia

Answer 21

Posterior dorsal root

Question 22

Roots

Motor(efferent) axon (CNS, multipolar)

Answer 22

Anterior ventral root

Question 23

Spinal nerves
Cervical
Thoracic
Lumbar
Sacrum
Coccyx

Answer 23

8, 12, 5, 5, 1

Question 24

Destruction of ventral horn motor neurons

Answer 24

Poliomyelitis (polio)

Question 25

Inflammation of a nerve

Answer 25

Neuritis

Question 26

Progressive destruction of ventral motor horn neurons.

Answer 26

Amyotrophic lateral sclerosis (ASL)

Question 27

Herpes zoster virus retreats to posterior root ganglia uses fast axonal transport to cause blisters)

Answer 27

Shingles

Question 28

Areas of skin that have senses

Answer 28

Dematome