Amyotrophic lateral sclerosis (ALS) is a demyelinating disease that results from nerve damage in the
A) brain
B) diaphragm
C) intercostal muscles
D) spinal cord
E) sensory nerves

Question

Quizplus · Accepted Answer

ALS affects the motor neurons in the spinal cord, which leads to muscle weakness and eventually paralysis. The disease does not affect the sensory nerves or the diaphragm and intercostal muscles, which are involved in breathing. While ALS can also affect the brain, the disease primarily involves the spinal cord.

Amyotrophic Lateral Sclerosis (ALS) Is a Demyelinating Disease That Results