Unit 3: Introduction of spinal nerves

Question 0

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

Answer 0

dorsal root

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

Question 3

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

Answer 3

lateral side of dorsal root ganglia

Question 4

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

Answer 4

vertebral arches of the atlas and axis

Question 5

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

Answer 5

vertebral canal

Question 6

Where do the gray ramus communicans of the corresponding sympathetic ganglion join the spinal nerve part?

Answer 6

At or immediately distal to its origin (origin of each ventral ramus)

Question 7

name the vertebral segment, where the ventral rami of the spinal cord contribute white rami communicans to the each corresponding sympathetic ganglion

Answer 7

T1-L2/L3

visceral efferent presynaptic fibers from horn

Question 8

The ventral rami of the thoracic and the 1st and 2nd lumbar nerve contribute ____ to the corresponding sympathetic gangla, and receive____ from the ganglia

Answer 8

white ramus communicans; grey ramus communicas

Question 9

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

Answer 9

mixed spinal nerve; immediately before the split

Question 10

name the part of the corresponding spinal nerve, where the grey ramus communicans mostly joins

Answer 10

ventral ramus; at or immediately distal to ventral ramus

Question 11

name the segments of the spinal cord, which contain the preganglionic efferent fibers of the sympathetic nerves

Answer 11

T1-L2/L3

Question 12

Name the vertebral segments, where the pelvic splanchnic nerves emerge

Answer 12

S2, S3, S4

Question 13

The borders of an intervertebral foramen are
	anterior
	Posterior
	superiorly
	inferiorly

Answer 13

anteriorly: IVD and vertebral bodies above and below
posteriorly: synovial zygapophyseal joints
superiorly: inferior vertebral notch of the vertebral body above
inferiorly: superior vertebral notch of the vertebral body below

Question 14

name the structure, which are located within the intervertebral foramina

Answer 14

spinal artery, spinal nerve, plexus of spinal veins and recurrent meningeal nerves

Question 15

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

Answer 15

alpha
beta
gamma neurons

Question 16

The recurrent meningeal nerves of the corresponding spinal nerve receive one or more communications from neighboring white ramus communicans of the toracic and upper lumbar sympathetic ganglion T/F

Answer 16

false- grey matter

Question 17

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

Answer 17

dura mater, wall of BV, the periosteum, ligaments, intervertebral disc, and cerebral dura of posterior cranial fossa

hong: 18) deep dorsal coccygeal, PLL, Membrana tectoria, ventral coccygeal lig,, trasverse atlantal lig, vertical lig, alar lig, apical ligament, dorsum of sella (part of post. cranial fossa)

PLC/PLL
posterior: ligamentum flavum, and all arteries.

Question 18

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

Answer 18

posterior

Question 19

name two funcitonal nerve fibers, which pass through the ventral root at the T5 spinal cord

Answer 19

somatic efferent and visceral efferent

Question 20

The recurrent meningeal branches of the spinal nerves are present at all vertebral levels T/F

Answer 20

True

Question 21

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

Answer 21

PLL, ligamentum flavum and capsular ligament

Question 22

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

Answer 22

Upper 3 cervical meningeal branches, meningeal branches of hypoglossal nerve and vagus

Question 23

name the vertebral segments, which visceral efferent fibers in the ventral roots

Answer 23

T1-L2/L3