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An autoimmune disease attacking the neuromuscular junction and causing weakness is:

AMuscular dystrophy
BTetany spasms
CGouty arthritis
DMyasthenia gravis
Answer & Solution
Correct answer: D. Myasthenia gravis
1. The body's own immune system hits the motor end plate. 2. Muscles fatigue and weaken. 3. This is myasthenia gravis. _Source: syllabus Biology, Chapter 20, Locomotion and Movement._
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