Nerve injuries

Question 1

Long thoracic nerve

Answer 1

Medial winging of the scapula

Question 2

Median nerve injury

Answer 2

Carpal tunnel syndrome. Tingling and numbness. Weakness and pain in the thumb, index, middle and half of the ring finger.

Question 3

Ulnar nerve injury at elbow

Answer 3

Cubital tunnel syndrome. Numbness or pain in the elbow, hand, wrist or fingers. Claw hand and radial deviation.

Question 4

Compression of ulnar nerve below the elbow

Answer 4

Claw hand. Wasting and paralysis of intrinsic hand muscles (except lateral two lumbricals) wasting and paralysis of the hypothenar muscles

Question 5

Posterior interosseous nerve

Answer 5

(Enters the extensor compartment through the supinator muscle at the Arcade of Frohse ) Purely a motor nerve. Stops extension of the fingers but NOT the wrist

Question 6

Anterior interosseous nerve injury

Answer 6

Unable to perform the OK sign and inability to pronate

Question 7

Radial nerve

Answer 7

Wrist drop and loss of finger extension

Question 8

Axillary nerve

Answer 8

Loss of deltoid area sensation. Weakness of shoulder abduction, atrophy of the deltoid and numbness in the deltoid region

Question 9

Femoral nerve

Answer 9

Loss of extension of the knee

Question 10

Posterior tibial nerve

Answer 10

Typically damaged by the tarsal tunnel/flexor retinaculum. Causes tarsal tunnel syndrome causing pain and numbness or the plantar aspect of the heal

Question 11

Deep peroneal nerve injury

Answer 11

Foot drop

Question 12

Third nerve injury

Answer 12

(Occulomotor) Eye deviated down and out, ptosis and dilated pupil

Question 13

Fourth nerve injury

Answer 13

(Trochlear) Vertical diplopia

Question 14

Sixth nerve injury

Answer 14

(Abducens) Defective abduction and horizontal diplopia

Question 15

Seventh nerve injury

Answer 15

(Facial) Flaccid paralysis of the face, loss of corneal reflex, loss of taste and hyperacusis

Question 16

Ninth nerve injury

Answer 16

(Glossopharyngeal) hypersensitive carotid sinus reflex. Loss of gag reflex (afferent)

Question 17

Tenth nerve injury

Answer 17

(Vagus) Uvula deviates away from side of lesion. Loss of gag reflex (efferent)

Question 18

Eleventh nerve injury

Answer 18

(Accessory) Weakness turning head to contralateral side

Question 19

Twelfth nerve injury

Answer 19

(Hypoglossal) Tongue deviates to side of lesion

Question 20

Common peroneal nerve lesion

Answer 20

Foot drop is main symptom others include. Weakness of foot dorsiflexion, weakness of foot eversion, weakness of extensor hallucis longus, sensory loss over the dorsum of the foot and the lower lateral part of the leg, wasting of the anterior tibial and peroneal muscles

Question 21

Medial winging of the scapula

Answer 21

Long thoracic nerve

Question 22

Carpal tunnel syndrome. Tingling and numbness. Weakness and pain in the thumb, index, middle and half of the ring finger.

Answer 22

Median nerve injury

Question 23

Cubital tunnel syndrome. Numbness or pain in the elbow, hand, wrist or fingers. Claw hand and radial deviation.

Answer 23

Ulnar nerve injury at elbow

Question 24

Claw hand. Wasting and paralysis of intrinsic hand muscles (except lateral two lumbricals) wasting and paralysis of the hypothenar muscles

Answer 24

Compression of ulnar nerve below the elbow

Question 25

(Enters the extensor compartment through the supinator muscle at the Arcade of Frohse ) Purely a motor nerve. Stops extension of the fingers but NOT the wrist

Answer 25

Posterior interosseous nerve

Question 26

Unable to perform the OK sign and inability to pronate

Answer 26

Anterior interosseous nerve injury

Question 27

Wrist drop and loss of finger extension

Answer 27

Radial nerve

Question 28

Loss of deltoid area sensation. Weakness of shoulder abduction, atrophy of the deltoid and numbness in the deltoid region

Answer 28

Axillary nerve

Question 29

Loss of extension of the knee

Answer 29

Femoral nerve

Question 30

Foot drop

Answer 30

L5 radiculopathy, sciatic nerve lesion, common peroneal nerve lesion, superficial or deep peroneal nerve lesion

Question 31

Foot drop is main symptom others include. Weakness of foot dorsiflexion, weakness of foot eversion, weakness of extensor hallucis longus, sensory loss over the dorsum of the foot and the lower lateral part of the leg, wasting of the anterior tibial and peroneal muscles

Answer 31

Common peroneal nerve lesion

Question 32

Eye deviated down and out, ptosis and dilated pupil

Answer 32

Third (Occulomotor) nerve injury

Question 33

Vertical diplopia

Answer 33

Fourth (Trochlear) nerve injury

Question 34

Defective abduction and horizontal diplopia

Answer 34

Sixth (Abducens) nerve injury

Question 35

Flaccid paralysis of the face, loss of corneal reflex, loss of taste and hyperacusis

Answer 35

Seventh (facial) nerve injury

Question 36

hypersensitive carotid sinus reflex. Loss of gag reflex (afferent)

Answer 36

Ninth (glossopharyngeal) injury

Question 37

Uvula deviates away from side of lesion. Loss of gag reflex (efferent)

Answer 37

Vagus (tenth) nerve injury

Question 38

Weakness turning head to contralateral side

Answer 38

Eleventh (accessory) nerve injury

Question 39

Tongue deviates to side of lesion

Answer 39

twelfth (hypoglossal) nerve injury

Question 40

Foot drop is main symptom others include. Weakness of foot dorsiflexion, weakness of foot eversion, weakness of extensor hallucis longus, sensory loss over the dorsum of the foot and the lower lateral part of the leg, wasting of the anterior tibial and peroneal muscles

Answer 40

Common peroneal nerve injury

Question 41

L3 Nerve root compression

Answer 41

Sensory loss over anterior thigh Weak quadriceps Reduced knee reflex Positive femoral stretch test

Question 42

L4 nerve root compression

Answer 42

Sensory loss anterior aspect of knee Weak quadriceps Reduced knee reflex Positive femoral stretch test

Question 43

L5 nerve root compression

Answer 43

Sensory loss dorsum of foot Weakness in foot and big toe dorsiflexion Reflexes intact Positive sciatic nerve stretch test

Question 44

S1 nerve root compression

Answer 44

Sensory loss posterolateral aspect of leg and lateral aspect of foot Weakness in plantar flexion of foot Reduced ankle reflex Positive sciatic nerve stretch test

Question 45

What surgery typically damages the Accessory nerve.

Answer 45

Posterior triangle lymph node biopsy typically injures?

Question 46

Sensory loss over anterior thigh Weak quadriceps Reduced knee reflex Positive femoral stretch test

Answer 46

L3 Nerve root compression

Question 47

Sensory loss anterior aspect of knee Weak quadriceps Reduced knee reflex Positive femoral stretch test

Answer 47

L4 nerve root compression

Question 48

Sensory loss dorsum of foot Weakness in foot and big toe dorsiflexion Reflexes intact Positive sciatic nerve stretch test

Answer 48

L5 nerve root compression

Question 49

Sensory loss posterolateral aspect of leg and lateral aspect of foot Weakness in plantar flexion of foot Reduced ankle reflex Positive sciatic nerve stretch test

Answer 49

S1 nerve root compression

Question 50

Posterior triangle lymph node biopsy typically injures?

Answer 50

Accessory nerve

Question 51

What surgery typically damages the sciatic nerve.

Answer 51

Posterior approach to hip

Question 52

What typically damages the common peroneal nerve?

Answer 52

Legs in Lloyd Davies position

Question 53

What surgery typically damages the long thoracic nerve?

Answer 53

Axillary node clearance

Question 54

What surgery typically damages the recurrent laryngeal nerves?

Answer 54

Thyroid surgery

Question 55

What surgery typically damages the hypoglossal nerve

Answer 55

Carotid endarterectomy

Question 56

When are the ulnar and median nerves iatrogenically injured?

Answer 56

Upper limb fracture repair

Question 57

Posterior approach to hip typically injures?

Answer 57

Sciatic nerve

Question 58

Legs in Lloyd Davies position typically injures?

Answer 58

Common peroneal

Question 59

Axillary node clearance typically injures?

Answer 59

Long thoracic

Question 60

Thyroid surgery typically injures?

Answer 60

Recurrent laryngeal nerves

Question 61

Carotid endarterectomy typically injures?

Answer 61

Hypoglossal nerve

Question 62

upper limb fracture repairs typically injures?

Answer 62

Ulnar and median nerves