Some 90 percent of cases of amyotrophic lateral sclerosis are ...

[biggirl4568]

Some 90 percent of cases of amyotrophic lateral sclerosis are
 
  a. known to be hereditary.
  b. classified as sporadic.
  c. due to excessive production of dopamine in brain.
  d. cured using anticholinergic drugs.
  e. treated using drugs that increase brain glutamate activity.

Question 2

The key symptom of amyotrophic lateral sclerosis is
 
  a. impaired eye movements.
  b. loss of short-term memory.
  c. spasticity of the muscles.
  d. wild, flailing muscle movements.
  e. problems with eye movement.

[nathang24]

Answer to Question 1

Answer: b. classified as sporadic.

Answer to Question 2

Answer: c. spasticity of the muscles.