Exam 3 Study Guide Spinal Nerves

Question 0

Name the structure which carries the axon of neurons in the dorsal root ganglion.

Answer 0

Dorsal root of spinal cord

Question 1

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

Answer 1

T1 - L2/L3

Question 2

Name the type of the neurons in the dorsal root ganglion?

Answer 2

Unipolar neurons

Question 3

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

Answer 3

Just lateral to the spinal ganglion

Question 4

Where the dorsal root ganglia of the 1st and 2nd cervical nerves lies on?

Answer 4

Vertebral arches of axis and atlas

Question 5

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

Answer 5

Located in the vertebral canal

Question 6

The spinal ganglia of the sacral nerve are usually located within the ____________.

Answer 6

Vertebral canal

Question 7

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

Answer 7

At or immediately distal to its origin, the ventral ramus of each spinal nerve is joined by a grey ramus communicans from the corresponding ganglion of the sympathetic trunk.

Question 8

Name the vertebral segment, where the ventral rami of the spinal cord contribute white rami communicant to the each corresponding sympathetic ganglion.

Answer 8

T1-L3

Question 9

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

Answer 9

White ramus communicans.

Gray ramus communicans.

Question 10

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

Answer 10

In the intervertebral foramen.

Question 11

Name the vertebral segments, where the white rami communicans emerges.

Answer 11

T1-L2/3

Question 12

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

Answer 12

T1-L2/3

Question 13

Name the vertebral segments, where the pelvic splanchnic nerves emerge.

Answer 13

S2-4

Question 14

The borders of an intervertebral foramen are?

Answer 14

Anterior, posterior and superior.

Question 15

Name the structure, which are located within the intervertebral foramina.

Answer 15

spinal artery, a plexus of spinal veins & its own recurrent meningeal nerve.

Question 16

Name the type of neurons in the anterior grey column of the spinal cord.

Answer 16

α, β, & γ neurons in the anterior grey column of the spinal cord.

Question 17

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

Answer 17

False. Gray ramus communicans

Question 18

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

Answer 18

the dura mater, the wall of blood vessels, the periosteum, ligaments & intervertebral disc.

Question 19

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

Answer 19

Posterior

Question 20

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

Answer 20

Somatic and visceral efferent

Question 21

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

Answer 21

True, with two to our filaments on each side.

Question 22

Name two ligaments, which the recurrent meningeal nerve of the spinal nerve supplies at the L1spinal cord level.

Answer 22

Posterior longitudinal ligament, ligamentum flavum.

Question 23

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

Answer 23

The upper three cervical meningeal nerves

Question 24

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

Answer 24

T1-L2/3, S2,3,4

Question 25

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

Answer 25

False, C1/2 are larger.

Question 26

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

Answer 26

C1 dorsal ramus