Exam 3 Spinal Nerves and Dorsal Rami

Question 1

Name the vertebral segment, which carry the axons of neurons in the lateral grey columns

Answer 1

T1-L2 or L3

Question 2

Name the structure which caries the axons of neurons in the dorsal root ganglion

Answer 2

Dorsal root

Question 3

Name the type of the neurons in the dorsal root ganglion

Answer 3

Unipolar neurons

Question 4

Where do the ventral and dorsal roots perforate the dura mater?

Answer 4

Just lateral to the spinal ganglion

Question 5

What does the dorsal root ganglia of the 1st and 2nd cervical nerves lie on?

Answer 5

Vertebral arches of atlas and axis

Question 6

Where are the spinal ganglia of the sacral nerves located in?

Answer 6

Vertebral canal

Question 7

The spinal ganglia of the coccygeal N are usually located within the ___

Answer 7

Dura Mater

Question 8

Where do the gray ramus communicans from the corresponding ganglion of the sympathetic trunk join?

Answer 8

At or immediate distal to the origin of the ventral ramus

Question 9

Name the vertebral segment where the ventral rami of the spinal cord contribute white rami communicants to each corresponding sympathetic ganglion?

Answer 9

T1-L2 or L3

Question 10

The ventral rami of the thoracic and the 1st and 2nd lumbar nerve contribute ___ to the corresponding sympathetic ganglia, and receive ___ from the ganglia.

Answer 10

A white ramus communicans

Grey ramus communicans

Question 11

Name the part of the corresponding spinal nerve where the recurrent meningeal nerve emerges

Answer 11

At dorsal and ventral ramus

Question 12

Name the part of the corresponding spinal nerve where the grey ramus communicans join.

Answer 12

Ventral ramus of all spinal nerves

Question 13

Name the vertebral segments where the white rami communicans emerges

Answer 13

Ventral rami of T1-L2 or L3

Question 14

Name the segments of the spinal cord which contain the preganglionic efferent fibers of the sympathetic nerve

Answer 14

T1-L2 or L3

Question 15

Name the vertebral segments where the pelvic splanchnic nerves emerge

Answer 15

S2, 3, 4

Question 16

What is the anterior border of the IVF

Answer 16

Intervertebral disc and adjacent part of vertebral body

Question 17

What is the posterior border of IVF

Answer 17

Synovial zygopophyseal joints

Question 18

What is the superior border of the IVF

Answer 18

Vertebral notches of the pedicles of the adjoining vertebrae

Question 19

What is the inferior border of the IVF

Answer 19

Vertebral notches of the pedicles of the adjoining vertebrae

Question 20

Name the structures which are located within the IVF

Answer 20

Spinal artery
Plexus of spinal veins
Recurrent meningeal n

Question 21

Name the types of neurons in the anterior grey column of the spinal cord

Answer 21

Alpha, Beta, and gamma neurons

Question 22

The recurrent meningeal nerves of the corresponding spinal nerve receive one or more communications from neighboring white ramus communicantes from a thoracic and upper lumbar sympathetic ganglion. True or False

Answer 22

False should be grey

Question 23

Name all possible targets which are innervated by the recurrent meningeal nerve of the spinal nerve

Answer 23

Dura mater, wall of blood vessels, periosteum, ligaments, and IVD

Question 24

The upper three cervical meningeal nerves are distributed to the cerebral dura mater of the ___ cranial fossa.

Answer 24

Posterior

Question 25

Name two functional nerve fibers, which pass through the ventral root at the T5 spinal cord.

Answer 25

Somatic efferent | Visceral efferent

Question 26

The recurrent meningeal branches of the spinal nerves are present at all vertebral levels. True or False

Answer 26

True

Question 27

Name two ligaments which the recurrent meningeal nerve of the spinal nerve supplies at the L1 spinal cord level.

Answer 27

Posterior longitudinal ligament | Ligamentum flavum

Question 28

Name the nerves which are distributed to the cerebral dura mater of the posterior cranial fossa

Answer 28

Upper 3 cervical meningeal nerves | Mainly C2 and C3

Question 29

Name the vertebral segments which have visceral efferent fibers in the ventral roots

Answer 29

T1-L2 or L3 and S2, S3, S4

Question 30

The C1 dorsal ramus is smaller than the ventral ramus. True or False

Answer 30

False except C1 and C2

Question 31

Name the dorsal rami of the spinal nerves which does not divide into medial and lateral branches.

Answer 31

C1, S4, S5, and Co1 dorsal rami