videos 1,3,4,5

Question 1

symptoms of carpal tunnel

Answer 1

Numbness; 
Sharp pains in three fingers (thumb, index, middle); Swelling; 
Feels like needles in tips of fingers;
Difficult to grasp;
 Pain (especially in morning)

Question 2

EMG diagnosis of carpal tunnel shows medial distal latency that was ___slower than the ulnar distal latency.

Answer 2

0.3 ms

Question 3

in carpal tunnel, weakness of the median innervated muscles, especially the ____, may be present.

Answer 3

abductor pollicis brevis

Question 4

carpal tunnel treatment

Answer 4

removal of provoking factors
neutral wrist splint.

If unsuccessful, surgical decompression definitive

steroid injections is controversial.

Question 5

most common symptoms of facial nerve palsy.

Answer 5

• Paralysis/weakness of left facial muscles,
• Left lip had pain and some paralysis
• Decreased blinking speed of left eye;
• mastoid process ache

Question 6

Taste may be impaired in bells palsy if the lesion

is proximal to the

Answer 6

chorda tympani

Question 7

why would sounds be louder sometimes in someone who has bells palsy?

Answer 7

if a lesion is proximal to the nerve branch

supplying the stapedius muscle, which typically helps dampen loud sounds.

Question 8

Bell’s palsy is more common in which populations?

Answer 8

adults,
patients with diabetes,
pregnant women.
Herpes simplex virus

Question 9

bells palsy treatments

Answer 9

• short course of corticosteroids
• oral antiviral agents
• Artificial tears during the day and lubricating ophthalmic ointment at night are recommended to prevent the complications of corneal exposure.

Question 10

The hypoglossal nucleus is located in the

Answer 10

dorsomedial medulla.

Question 11

The hypoglossal nerve exits the skull through the

Answer 11

hypoglossal canal located just above the foramen magnum.

Question 12

signs/symptoms of hypoglossal palsy

Answer 12

trouble controlling the tongue when chewing, speaking, or perhaps swallowing.

tongue deviation towards affected side

atrophy and fasciculations (ipsi)

Question 13

causes of hypoglossal nerve palsy

Answer 13

**tumors
multiple sclerosis, 
Guillain-Barre syndrome, 
trauma, 
stroke, 
surgery, 
infections.

Question 14

Parsonage-Turner syndrome is what and most commonly seen in who?

Answer 14

idiopathic upper trunk brachial plexopathy

young adults, rarely familial

Question 15

Plexus injuries symptoms

Answer 15

muscle weakness, 
neck and shoulder pain,
paresthesias or dysesthesias, 
absent muscle stretch reflexes, 
sensory loss.

Question 16

prognosis of patients with Parsonage-Turner syndrome is

Answer 16

generally good, with a slow but progressive recovery over 6 to 18 months.

Question 17

diagnosis of Parsonage-Turner syndrome

Answer 17

electrophysiologic testing (abnl)

and MRI of the brachial plexus (normal)

Question 18

Upper trunk brachial plexopathies (Erb-Duchenne type, C5-6) may result from …

Answer 18

traumatic separation of the head and shoulder,

birth injury,

idiopathic brachial plexitis (neuralgic amyotrophy or Parsonage-Turner syndrome)

Question 19

C5 tests which muscle

Answer 19

shoulder abduction

Question 20

C6 tests which muscles

Answer 20

elbow flexion, forearm pronation and supination

Question 21

C7 tests which muscles

Answer 21

extensors of the forearm, hand, and fingers

Question 22

C8 tests which muscles

Answer 22

finger extensors, finger flexors, and wrist flexors

Question 23

T1 tests which muscles

Answer 23

hand intrinsics