spine

Question 1

the sacrum has both posterior and anterior rami - however what do they supply?

Answer 1

posterior division suppolies the erector spinae muscels and overlying skin

anterior join to form the lumbar plexus

Question 2

what two groups of people are at increased risk of excessive lumbar lordosis?

Answer 2

preg

obease

Question 3

what can cause spinal stenosis?

Answer 3

hypertrophy of teh ligamentum flavum , which narrows the spinal canal

Question 4

what Cervival vertebra is associated with the hyloid bone and mandable?

Answer 4

c3

Question 5

what cervical vertebra is associated with the upper aspect of the thyroid cartilage?

Answer 5

c4 and c5

Question 6

what nerve roots make up the sacral plexus?

Answer 6

L4 to S4

Question 7

what nerves pass through the greater sciatic foramen? and what is their relation to the piriformis?

Answer 7

ABOVE piriformis = superior gluteal nerve
Below piriformis = inferior gluteal nerve, posterior cutaneous nerve of the thigh and pudendal nerve

Question 8

what causes spondylolysis?

Answer 8

defect at the pars interarticularis (most commonly at L5)

Question 9

where is a epidural catheter sited?

Answer 9

within the extradural fat

Question 10

what iss the name of the spinal artery that is at risk in a AAA repair?

Answer 10

Adamkewicz