The Disorder of the Muscular System Known as Myasthenia Gravis

The disorder of the muscular system known as myasthenia gravis:

A) Is a condition in which nerve impulses are not transmitted normally from the brain to the muscles
B) Is a viral infection that results in paralysis of muscles
C) Is traumatic injury to the tendons, muscles, or ligaments of a joint
D) Is torn or stretched tendons and muscles, causing pain
E) May be congenital or may result from weakened foot muscles