What type of disorder is myasthenia gravis? A. Immune disorder B. Inflammatory disorder C. Structural disorder D. Infectious disorder

Myasthenia gravis is a chronic autoimmune neuromuscular disease which means a muscle weakness disorder

Immune disorder'" because Myasthenia gravis is a chronic autoimmune neuromuscular disease characterized by varying degrees of weakness of the skeletal (voluntary) muscles of the body. The name myasthenia gravis, which is Latin and Greek in origin, literally means "grave muscle weakness."