8/3 Questions exam 1

Question 1

What is the name given to the normal overlap or spinous process or spinous apophyses as seen on X-ray?

Answer 1

imbrication

Question 2

What is the orientation of the spinous process/spinous apophysis at each region of the spine?

Answer 2

cervical - slight angle inferiorly
thoracic - noticeable angle inferiorly
lumbar - no inferior angle

Question 3

What is the typical shape/outline of the vertebral foramen at each region of the spinal column/vertebral column?

Answer 3

cervical - triangular; thoracic - oval; lumbar - triangular; sacrum - triangular

Question 4

At what vertebral level will the spinal cord typically terminate?

Answer 4

L1

Question 5

At what vertebral level will the dural sac typically terminate?

Answer 5

S2

Question 6

Identify all segmental arteries?

Answer 6

vertebral, ascending cervical, deep cervical, superior intercostal, posterior intercostal, subcostal, lumbar, iliolumbar, lateral sacral, median sacral

Question 7

What are the segmental arteries of the cervical spine?

Answer 7

the vertebral artery, ascending cervical artery, deep cervical artery

Question 8

What are the segmental arteries of the thoracic spine?

Answer 8

the deep cervical artery, superior intercostal artery, posterior intercostal artery and subcostal artery

Question 9

What are the segmental arteries of the lumbar spine?

Answer 9

the lumbar arteries, iliolumbar artery, lateral sacral artery, and median sacral artery

Question 10

What are the segmental arteries of the fifth lumbar vertebra?

Answer 10

the iliolumbar artery, lateral sacral artery, median sacral artery

Question 11

What are the segmental arteries of the sacrum?

Answer 11

the iliolumbar artery, lateral sacral artery, median sacral artery

Question 12

What segmental levels are supplied by the vertebral artery?

Answer 12

C1-C6

Question 13

What segmental levels are supplied by the ascending cervical artery?

Answer 13

C1-C6

Question 14

What segmental levels are supplied by the deep cervical artery?

Answer 14

C7-T1

Question 15

What segmental levels are supplied by the superior intercostal artery?

Answer 15

T1,T2

Question 16

What segmental levels are supplied by the posterior intercostal artery?

Answer 16

T3-T11

Question 17

What segmental level is supplied by the subcostal artery?

Answer 17

T12

Question 18

What segmental levels are supplied by the lumbar arteries?

Answer 18

L1-L4

Question 19

Which vertebra has the greatest number of segmental arteries associated with it?

Answer 19

L5

Question 20

What are the segmental arteries for L5?

Answer 20

iliolumbar artery, median sacral artery, lateral sacral artery

Question 21

What branch of the segmental artery supplies the vertebra and the paravertebral region?

Answer 21

dorsospinal artery

Question 22

Which branch of the dorsospinal artery will penetrate the meninges to enter subarachnoid space?

Answer 22

spinal artery

Question 23

Which branches of the spinal artery supply the contents of the epidural space?

Answer 23

osseous arteries, anterior spinal canal artery, posterior spinal canal artery

Question 24

What arteries are observed in the epidural space near the posterior longitudinal ligament?

Answer 24

anterior spinal canal artery and plexus

Question 25

What arteries are observed in the epidural space near the ligamentum flavum?

Answer 25

posterior spinal canal artery and plexus

Question 26

Which branches of the spinal artery supply the contents of the subarachnoid space?

Answer 26

anterior radicular artery, posterior radicular artery, anterior medullary feeder artery, posterior medullary feeder artery

Question 27

Which vessel will supply the ventral/anterior nerve rootlet and nerve root?

Answer 27

anterior radicular artery

Question 28

Which vessel will supply the dorsal/posterior nerve rootlets, nerve root and nerve root ganglion?

Answer 28

posterior radicular artery

Question 29

What is the method of calculating the angle of the spinous process/spinous apophysis?

Answer 29

calculate the angle formed between the undersurface of the spinous process/spinous apophysis and the horizontal plane