Upper extremity weakness in association with degeneration of CNS neurons is characteristic of
A) multiple sclerosis.
B) Guillain-Barré syndrome.
C) myasthenia gravis.
D) amyotrophic lateral sclerosis.

Question

Quizplus · Accepted Answer

Amyotrophic lateral sclerosis (ALS)is a progressive degenerative disease affecting both the upper and lower motor neurons characterized by muscle wasting and atrophy of the hands,arms,and legs.Symptoms of multiple sclerosis include double vision,weakness,poor coordination,and sensory deficits.Patients with Guillain-Barré syndrome have progressive ascending weakness or paralysis that usually begins in the legs.Upper extremity weakness associated with degeneration of CNS neurons is not characteristic of myasthenia gravis.

Upper Extremity Weakness in Association with Degeneration of CNS Neurons