Chapter 14 quiz spinal cord

Question 1

dura mater

Answer 1

protects spinal cord

Question 2

arachnoid mater

Answer 2

protects spinal cord and absorbs cerebrospinal fluid

Question 3

pia mater

Answer 3

protects spinal cord`

Question 4

dorsal roots

Answer 4

fibers carry sensory input

Question 5

dorsal root ganglia

Answer 5

location of the cell bodies of sensory neurons

Question 6

ventral roots

Answer 6

fibers carry motor output

Question 7

spinal nerves

Answer 7

convey sensory input and motor output

Question 8

lumbar enlargement

Answer 8

between spinal cord segments L1-S3

- attachment site of the nerves innervating the lower limbs

Question 9

conus medullaris

Answer 9

cone shaped inferior end of the spinal cord

Question 10

filum terminale

Answer 10

an extension of the pia mater that runs from the end of the spinal cord to the coccyx
-anchors the spinal cord

Question 11

cauda equina

Answer 11

the collective name for the dorsal and ventral roots extending from the inferior part of the spinal cord

Question 12

is the first lumbar segment of the spinal cord at the level of the first lumbar vertebra?

Answer 12

no the spinal cord ends at L1 or L2