Peripheral nerve disease

Question 1

What is meant by mononeuritis multiplex?

Answer 1

Several individual nerves are affected

Question 2

What is meant by axonal degeneration?

Answer 2

Damage to the nerve fibre from the periphery. Seen most often in toxin neuropathys

Question 3

What is meant by a radiculopathy?

Answer 3

Disease affecting the nerve roots

Question 4

What is meant by polyneuropathy?

Answer 4

Diffuse symmetrical disease usually commencing peripherally

Question 5

What nerve becomes trapped in carpal tunnel syndrome?

Answer 5

Median

Question 6

What nerve is compressed in cubital tunnel syndrome?

Answer 6

Ulnar

Question 7

What nerve is most likely to become compressed if you sleep with your arm hanging over a chair?

Answer 7

Radial nerve plasy

Question 8

A 21 yoga instuctor presents with a foot drop and weakness. There is a patch of weakness of the anterolateral border of the dorsum of the foot. Ankle jerk is present. No other symptoms or history; What nerve is most likely affected?

Answer 8

Common peroneal nerve palsy

Question 9

What peripheral nerve problem can be a result of thiamine deficiency?

Answer 9

Subacute combined degeneration of the spinal cord.

Question 10

A 54 year old lady presents with pain in her right arm. She describes pain radiating to the back of her arm and also described tingling in her middle finger. On examination there is loss of the triceps reflex. What nerve is damaged and how?

Answer 10

C7 root lesion

Question 11

What is the treatment for cauda equina syndrome?

Answer 11

Urgent MRI and decompression

Question 12

What is thoracic outlet syndrome?

Answer 12

A fibrous band or cervical rib extends from the tip of the C7 treansverse process towards the first rib to compress the lower brachial plexus roots (C8 and T1)

Question 13

Which dermatome is the thumb part of?

Answer 13

C6

Question 14

Which dermatome is the middle finger part of?

Answer 14

C7

Question 15

Which dermatome is the little finger part of?

Answer 15

C8

Question 16

Which dermatome is the inner forearm part of?

Answer 16

T1

Question 17

Which dermatome is the upper inner arm part of?

Answer 17

T2

Question 18

Which dermatome is the knee part of?

Answer 18

L3

Question 19

Which dermatome is the medial malleolus part of?

Answer 19

L4

Question 20

Which dermatome is the dorsum of the foot part of?

Answer 20

L5

Question 21

Which dermatome are the first three toes part of?

Answer 21

L5

Question 22

Which dermatome is the lateral malleolus and two little toes part of?

Answer 22

S1

Question 23

Which dermatome is the posterior head and neck part of?

Answer 23

C2 and C3

Question 24

Which dermatome is the nipple part of?

Answer 24

T4

Question 25

Which dermatome is the umbilicus part of?

Answer 25

T10

Question 26

Which dermatome is the xiphoid process part of?

Answer 26

T6

Question 27

Which nerve allows elevation of the shoulder?

Answer 27

C4

Question 28

Which nerve allows shoulder abduction?

Answer 28

C5

Question 29

Which nerve allows elbow flexion/wrist extension?

Answer 29

C6

Question 30

Which nerve allows elbow extension/wrist flexion?

Answer 30

C7

Question 31

Which nerve allows finger flexion?

Answer 31

C8

Question 32

Which nerve allows finger abduction?

Answer 32

T1

Question 33

Which nerve allows hip flexion?

Answer 33

L2

Question 34

Which nerve allows knee extension?

Answer 34

L3

Question 35

Which nerve allows ankle dorsi flexion?

Answer 35

L4

Question 36

Which nerve allows extension of the great toe?

Answer 36

L5

Question 37

Which nerve allows knee flexion?

Answer 37

S2

Question 38

Which nerve allows ankle planter flexion/ankle eversion/hip extension?

Answer 38

S1