Peripheral Nerve Injury Quiz

Define peripheral nerve injury.

• damage or disruption of the nerves that extend from the spinal cord and brain to the rest of the body.

• damage to the bundle of nerves and nerve fibers that sends and receives signals from the brain.

• Injuries to the brachial plexus that can affect the shoulder, arm or hand.

• any trauma to the scalp, skull, brain, or the blood vessels within the head.

All of these are THREE main types of peripheral nerve fibers, EXCEPT?

• Sensory

• Central

• Motor

• Autonomic

Below are connective tissue layers that cover a peripheral nerve, EXCEPT:

• Endoneurium

• Perineurium

• Epineurium

• Axons

Picture shown ONE of the nerve injuries as classified by Seddon (1943). What it is?

• Neurotmesis

• Axonotmesis

• Neuropraxia

• Hyperpraxia

According to Sunderland's classification, what degree of injury involves only a conduction block?

• First degree

• Second degree

• Third degree

• Fourth degree

Which spinal nerve roots contribute to the brachial plexus?

• C5

• C6

• C7

• C8

• T1

What are the five divisions of the brachial plexus (from proximal to distal)?

• Roots -- Trunk -- Division -- Cord -- Branches

• Roots -- Division -- Trunk -- Cord -- Branches

• Roots -- Division -- Cord -- Trunk -- Branches

• Roots -- Trunk -- Cord -- Division -- Branches

Identify two common symptoms of motor nerve damage.

• muscle weakness

• pain

• muscle twitching

• digestive problem

Name two non-surgical treatments used for mild peripheral nerve injuries.

• Endoscopic

• Medication e.g. NSAID

• Physical therapy

• Nerve repair

What is ONE of the characteristic arm position in Erb's Palsy?

• Shoulder drop

• Boutonniere deformity

• Waiter's tip hand

• Uneven height