P1 Back + Trunk/Abdomen - Nerves and Innervations

Question 1

Dorsal Root of Peripheral Nerve: Location, fiber type, and direction

Answer 1

Posterior, Afferent (sensory), and information to CNS

Question 2

Ventral Root of Peripheral Nerve: Location, fiber type, and direction

Answer 2

Anterior, Efferent (motor), and information from CNS

Question 3

What is in a spinal nerve?

Answer 3

Afferent (sensory) and Efferent (motor) nerves

Question 4

Dorsal Primary Rami: Innervation, fiber types

Answer 4

innervates posterior neck and trunk,

afferent and efferent fibers

Question 5

Ventral Primary Rami: Innervation, fiber types

Answer 5

innervates anterolateral neck, trunk; UE/LEs

Afferent and efferent fibers

Question 6

Where do cervical vertebra exit

Answer 6

exit the vertebral column ABOVE vertebral segment with same name

Question 7

Where does cervical spinal nerve C8 exit?

Answer 7

Between C7 vertebra and T1 vertebra

Question 8

Where do all of the other spinal nerves exit?

Answer 8

exit below the vertebral segment with the same name

Question 9

What is a dermatome?

Answer 9

area of cutaneous sensory information associated with specific spinal nerve

Question 10

What can cutaneous testing find?

Answer 10

the vertebral level of injury & the specific site along the sensory pathway that the lesion occurs

Question 11

When does PARAPLEGIA occur?

Answer 11

Lesion at the thoracic, lumbar, or sacral vertebral levels

Question 12

When does TETRAPLEGIA occur?

Answer 12

Lesion at cervical vertebral level

Question 13

What is the Neurological Level of Injury?

Answer 13

Classification system that describes lowest segment of spinal cord where the individual has full ROM & cutaneous sensation intact

Question 14

What does C6 tetraplegia mean?

Answer 14

(crush) injury to C6 vertebral body,
sensory impairments innervated by C7 and caudal,
and that C6 spinal nerve remains INTACT