Which of the following disorders is caused by a virus that destroys alpha motor neurons?
A) polio
B) muscular dystrophy
C) myasthenia gravis
D) Huntington's disease

Question

Quizplus · Accepted Answer

Polio is caused by the poliovirus, which attacks and destroys alpha motor neurons in the spinal cord, leading to muscle weakness and paralysis. Muscular dystrophy is a genetic disorder characterized by progressive muscle wasting, and it is not caused by a virus. Myasthenia gravis is an autoimmune disorder where the body attacks its own acetylcholine receptors, leading to muscle weakness. Huntington's disease is a genetic disorder that affects the brain and is characterized by motor, cognitive, and psychiatric symptoms.

Which of the Following Disorders Is Caused by a Virus