Spinal Nerves

Question 1

Arise from the left and right side of each segment of the spinal cord and are classified as either a ventral or dorsal root.

Answer 1

Spinal roots

Question 2

True or false: Spinal roots are like one-way streets?

Answer 2

True

Question 3

Conveys motor neurons, which conduct their impulses in only one direction… away from the spinal cord.

Answer 3

Ventral root

Question 4

Conveys sensory neurons, which conduct their impulses in only one direction… towards the spinal cord

Answer 4

Dorsal root

Question 5

Ventral and dorsal roots unite to form ____________.

Answer 5

Spinal Nerve Trunk

Question 6

How many pairs of spinal nerve trunks are there?

Answer 6

31 pairs formed by ventral and dorsal root uniting.

Question 7

Are spinal nerve trunks one-way or two-way streets?

Answer 7

Two-way.

Question 8

Are spinal nerve trunks; only sensory, only motor, or mixed?

Answer 8

Mixed

Question 9

Bifurcations of the spinal nerve trunks

Answer 9

Rami (Ventral and Dorsal Ramus)

Question 10

Transports sensory nerve fibers from and motor nerve fibers to the anterolateral body wall and upper and lower limbs in a segmental fashion.

Answer 10

Ventral ramus

Question 11

Which rami forms nerve plexuses?

Answer 11

Ventral Ramus

Question 12

Transports sensory nerve fibers from the skin of the back between mid-scapular lines and motor nerve fibers to the deep back muscles,

Answer 12

Dorsal ramus