Which of the following autoimmune disorders is caused by a loss of acetylcholine receptors at the neuromuscular junction?

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Myasthenia gravis is an autoimmune disorder characterized by a loss of acetylcholine receptors at the neuromuscular junction, leading to muscle weakness and fatigue. Guillain Barré syndrome is caused by an autoimmune attack on the peripheral nerves, while Poliomyelitis is caused by a viral infection that attacks the motor neurons. Parkinson disease is a neurodegenerative disorder caused by the loss of dopamine-producing neurons in the brain.

Which of the Following Autoimmune Disorders Is Caused by a Loss