Thoracic Spinal Nerves

Question 0

Each mixed nerve will divide into what

Answer 0

posterior and anterior primary ramus

Question 1

How many pair of thoracic nerve roots are there

Answer 1

12

Question 2

What does the posterior primary ramus divide into

Answer 2

medial and lateral branch

Question 3

What function does the medial branch have

Answer 3

motor and sensory

Question 4

Medial branch supplies sensory supply to what

Answer 4

Skin paraspinally

Question 5

Lateral branch increases in what direction

Answer 5

superior to inferiorly

Question 6

What function does the lateral branch have

Answer 6

motor and sensory function

Question 7

The lateral branch provides sensory supply to where

Answer 7

skin near the costal angles

Question 8

The anterior primary ramus of T1 contributes to what plexus

Answer 8

Brachial plexus

Question 9

The anterior primary rami of T2 (sometimes T1) contribute to what nerve

Answer 9

Intercostobrachial nerve

Question 10

Each intercostal nerve gives off what branch

Answer 10

lateral cutaneous branch

Question 11

The lateral cutaneous branch divides into what

Answer 11

anterior branch

posterior branch

Question 12

Intercostal nerves terminate as what

Answer 12

anterior cutaneous branches

Question 13

Intercostal nerves course along their adjacent ribs and supply what structures

Answer 13

adjacent blood vessels, bone, joints, and ligaments

Question 14

What nerve is the largest of the thoracic nerves

Answer 14

subcostal nerve (T12 nerve)

Question 15

The subcostal nerve (T12) also contributes to which plexus

Answer 15

lumbar plexus

Question 16

Each thoracic nerve communicates with what trunk

Answer 16

sympathetic trunk

Question 17

Each thoracic nerve communicates with sympathetic trunk how

Answer 17

white and gray rami communicans

Question 18

The gray ramus is ______ to the white ramus

Answer 18

medial