Question

Which of these is not a symptom of myasthenia gravis?

(a) Rapid spasms

(b) Fatigue

(c) Muscle weakness

(d) Paralysis of skeletal muscles

I had been asked this question in an international level competition.

I'd like to ask this question from Disorders in Muscular and Skeletal System topic in section Locomotion and Movement of Biology – Class 11

Answer 1

Correct answer is (a) Rapid spasms

For explanation: Myasthenia gravis is an autoimmune disorder which affects neuromuscular junctions. It leads to fatigue, muscle weakness and paralysis of skeletal muscles. Rapid spasms are a result of tetany.