Which of the following is a chronic autoimmune disease that weakens skeletal muscles?

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Myasthenia gravis is a chronic autoimmune disease that weakens skeletal muscles by interrupting the communication between nerves and muscles. The immune system mistakenly attacks the receptors on the muscle cell membrane, leading to muscle weakness and fatigue. Tenosynovitis is inflammation of the fluid-filled sheath that surrounds a tendon, while fibromyalgia is a disorder characterized by widespread musculoskeletal pain and tenderness. Rhabdomyolysis is the breakdown of muscle tissue that releases its contents into the bloodstream, causing damage to the kidneys and other organs. Muscular dystrophy is a genetic disorder that results in progressive muscle weakness and degeneration.

Which of the Following Is a Chronic Autoimmune Disease That