Peripheral Nerves

Question 1

Median nerve root

Answer 1

C6-T1

Question 2

Median nerve supply

Answer 2

2x lumbricals and pollicis muscle

Muscles of precision grip

Question 3

Ulner nerve roots

Answer 3

C7-T1

Question 4

Ulnar nerve lesion

Answer 4

Claw hand

Question 5

Radial nerve root

Answer 5

C5-T1

Question 6

Test for radial nerve

Answer 6

Extend wrist and fingers

Sensation over anatomical snuff box

Question 7

Phrenic nerve lesion

Answer 7

Raised hemidiaphragm

Orthopnoea

Question 8

Lateral cutaneous nerve of thigh root

Answer 8

L2-L3

Question 9

Lateral cutaneous nerve of the thigh lesion

Answer 9

Anterio-lateral burning thigh pain

Question 10

Sciatic nerve root

Answer 10

L4-S3

Question 11

Sciatic nerve lesion

Answer 11

Hamstrings

Loss of sensation below knee laterally

Question 12

Common peroneal nerve root

Answer 12

L4-S1

Question 13

Common peroneal nerve lesion

Answer 13

Foot drop
Week ankle dorsiflexion
Eversion
Loss of sensation on dorsum of the foot

Question 14

Infections that can cause Guillan-Barre syndrome

Answer 14

CMV
Campylobacter
Mucoplasma
HIV
EBV

Question 15

Ix and Mx Guillan Barre

Answer 15

Nerve conduction study
LP - protein >5.5
IV Ig
Ventilation

Question 16

Other Ix for peripheral neuropathies

Answer 16

Glucose
TSH
B12
Electrophoresis
ANA and ANCA
Nerve conduction studies
LP
CXR

Question 17

Elbow injury

Answer 17

Median or ulnar

Question 18

Sacral fracture

Answer 18

Cauda equina

Question 19

Hip dislocation

Answer 19

Femoral nerve

Question 20

Femoral shaft

Answer 20

Peroneal

Question 21

Knee dislocation

Answer 21

Tibial or peroneal