SPINAL NERVES INTRO

Question 1

Vertebral segments that carry neuronal axons in the lateral grey columns

Answer 1

T1-L2/L3

Question 2

Structure that carries neuronal axons in the DRG

Answer 2

Dorsal Horn “Substantia Gelatinosa” of all vertebral levels

Question 3

Type of neuron in DRG

Answer 3

Unipolar

Question 4

Where do ventral and dorsal roots perforate the dura

Answer 4

DRG

Question 5

Where DRG of the 1st & & 2nd cervical nerves lie

Answer 5

Vertebral arch

Question 6

Where spinal ganglia of sacral nerves are located

Answer 6

Vertebral canal

Question 7

Where grey ramus communicans of the corresponding sympathetic ganglion join the spinal nerve portion

Answer 7

Ventral ramus

Question 8

Vertebral segment where ventral rami contribute white rami communicans to corresponding sympathetic ganglions

Answer 8

From Lateral Horn of T1-L2/3

Pre-synaptic Visceral Efferent fibers

Question 9

Ventral rami of T1-L2/3 contribute ______________ to corresponding ganglia, and receive ___________ from the ganglia

Answer 9

White ramus communicans

Grey ramus communicans

Question 10

Portion where the recurrent meningeal n. arises from

Answer 10

Mixed spinal nerve

Question 11

Segments of spinal cord where grey ramus communicans joins

Answer 11

T1-L2/3 Sympathetic Ganglions

Question 12

Segments of spinal cord that contain pre-ganglionic efferent fibers of the sympathetic nerves

Answer 12

T1-L2/3

Question 13

Vertebral segment where pelvic splanchnic nerves emerge

Answer 13

S2-S4 (Visceral Efferent)

Question 14

Borders of IVF are

Answer 14

a. ANTERIORLY: IVD / PLL
b. POSTERIORLY: Lig Flavum / Z-joint
c. SUPERIORLY: Inf. Vertebral notch
d. INFERIORLY: Sup. Vertebral Notch

Question 15

Structures located within IVF (3)

Answer 15

Spinal Nerve
Spinal Artery
Recurrent Meningeal N.

Question 16

Type of neurons in Anterior Grey Column

Answer 16

Alpha, Beta, Gamma

Question 17

T/F Recurrent meningeal nerves receive one or more communications from neighboring white ramus communican of T1-L2/3

Answer 17

??

Question 18

All poss targets innervated by recurrent meningeal N. (2)

Answer 18

PLL

Lig Flavum

Question 19

Upper cervical meningeal nerves are distributed to the cerebral dura mater of the posterior or anterior cranial fossa

Answer 19

Posterior cranial fossa

Question 20

2 functions of nerve fibers passing through Ventral Root at T5 spinal cord

Answer 20

Somatic Efferent
Visceral Efferent (Parasympathetic)

Question 21

T/F Recurrent meningeal branches of spinal nerves are present at all vertebral levels

Answer 21

??

Question 22

Name 3 ligaments with recurrent meningeal nerve innervation at L1 spinal cord level

Answer 22

PLL
Lig Flavum
Capsular Lig

Question 23

Nerves distributed to the cerebral dura mater of posterior cranial fossa (4)

Answer 23

Recurrent meningeal N.
Vagus N.
Hypoglossal n.
C1-C3

Question 24

Vertebral segments with Visceral Efferent fibers in Ventral Roots

Answer 24

T1-L2/3