Multiple Choice
A patient with a family history of amyotrophic lateral sclerosis (ALS) begins to have symptoms that include asymmetric weakness in the arms and difficulty walking. The neurologist recognizes these symptoms as characteristic of involvement of which portion of the nervous system?
A) Lower motor neurons (LMN)
B) Upper motor neurons (UMN)
C) Corticospinal tracts
D) Corticobulbar tracts
Correct Answer:
Verified
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