Spinal cord

Question 1

spinal cord ends and what spinal level?

Answer 1

l2

Question 2

what do the dorsal and ventral roots exit at as at their appropriate veretebral levels?

Answer 2

lower lumbar, sacral coccygeal spinal nerves

Question 3

how far down does the dura mater extend? and the arachnoid mater?

Answer 3

to the second sacral veretebrae

Question 4

where is the preferred site to withdraw fluid for a spinal tap?

wehre is the needle introduced?

Answer 4

lumbar cistern (subarachnoid space between l2 and s2)

its the preferred spot because the spinal cord is absent and nerve roots are the cauda equina are mobile

needle is introduced between l3 and l4 or l4 and l5

*children between l4/l5 since spinal cord may be inferior

Question 5

Answer 5

vertebral body

Question 6

Answer 6

vertebral pedicle

Question 7

Answer 7

lamina

Question 8

Answer 8

transverse process

Question 9

Answer 9

superior articular process

Question 10

Answer 10

spinous process

Question 11

Answer 11

intervertebral foramen

Question 12

Answer 12

inferior Costal Facets

Question 13

Answer 13

superior Costal Facets

Question 14

Answer 14

vertebral foramen

Question 15

Answer 15

rib angle

Question 16

Answer 16

head of rib

Question 17

Answer 17

neck of rib

Question 18

Answer 18

costal groove