Myasthenia Gravis Is a Collection of Muscle Disorders That Cause

Multiple Choice

Myasthenia gravis is a collection of muscle disorders that cause muscle fatigue and weakness.What is the major mechanism?

A) Overproduction of acetylcholinesterase
B) Autoimmune destruction of nicotinic acetylcholine receptors
C) Demyelination of axons in motor pathways
D) Autoimmune destruction of L-type Ca²⁺ channels.
E) A tumor that overproduces acetylcholine