PNS Pathology

Question 1

Sensory intact, normal or dec dtr, fasciculations (rare) , motor weakness, example muscle dystrophy

Answer 1

Muscle pathology

Question 2

Sensory intact, normal dtr, motor fatigue is greater than actual weakness, example myasthenia gravis

Answer 2

Neuromuscular junction pathology

Question 3

Sensory and motor loss along peripheral distribution, dec dtr, maybe fasciculations, motor weakness and atrophy, example trauma

Answer 3

Peripheral nerve (mononeuropathy)

Question 4

Sensory stocking glove impairments, motor impairments >distal than proximal , decreased dtr, example diabetes

Answer 4

Peripheral polyneuropathy

Question 5

Dermatomal, myotomal, and fasciculations, herniated disk

Answer 5

Spinal roots and nerves

Question 6

Sensory intact, dec dtr, fasciculations, motor weakness and atrophy, example ALS and poliomyelitis

Answer 6

Anterior horn cell pathology