The immune system attacks the synaptic junction between the nerve and muscle fibers blocking acetylcholine receptor sites in
A)myasthenia gravis.
B)encephalitis.
C)multiple sclerosis.
D)cerebral palsy.
E)trigeminal neuralgia.

Question

Quizplus · Accepted Answer

Myasthenia gravis is a chronic autoimmune neuromuscular disease involving the lower motor neurons and muscle fibers. The immune system of infected individuals produces antibodies that destroy acetylcholine receptor sites at the neuromuscular junction. This blocks the nerve impulse from reaching the muscle and produces muscle fatigue.

The Immune System Attacks the Synaptic Junction Between the Nerve