What is a degenerative, fatal disease of the motor neurons in which patients exhibit progressive muscle weakness and atrophy?
A) Alzheimer disease
B) amyotrophic lateral sclerosis
C) Huntington chorea
D) Parkinson disease

Question

Quizplus · Accepted Answer

Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, is a degenerative, fatal disease that affects the motor neurons in the brain and spinal cord, leading to progressive muscle weakness and atrophy. It ultimately leads to paralysis and death, typically within 2-5 years of onset. Alzheimer disease (A) is a neurodegenerative disorder that primarily affects cognitive function, while Huntington chorea (C) is a genetic disorder that leads to progressive motor dysfunction, including involuntary movements. Parkinson disease (D) is a neurodegenerative disorder that primarily affects movement, but does not typically lead to fatal outcomes.

What Is a Degenerative, Fatal Disease of the Motor Neurons