Myasthenia gravis results from the autoimmune attack on which nerves?

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Prepare for the NCLEX with neurological disorders practice quizzes. Study with multiple choice questions and detailed explanations to enhance understanding and performance. Get ready to excel in your exam!

Multiple Choice

Myasthenia gravis results from the autoimmune attack on which nerves?

Explanation:
Myasthenia gravis occurs when antibodies attack acetylcholine receptors at the neuromuscular junction of skeletal muscles, reducing the ability of motor nerves to activate these muscles. This causes fatigable weakness in voluntary muscles, especially those controlled by cranial nerves such as eye movements, facial expression, and swallowing. Sensory nerves are not affected, autonomic nerves are not the primary target, and the spinal cord tracts are not involved, so the most relevant site of dysfunction is the motor end-plate of skeletal muscles served by cranial nerves.

Myasthenia gravis occurs when antibodies attack acetylcholine receptors at the neuromuscular junction of skeletal muscles, reducing the ability of motor nerves to activate these muscles. This causes fatigable weakness in voluntary muscles, especially those controlled by cranial nerves such as eye movements, facial expression, and swallowing. Sensory nerves are not affected, autonomic nerves are not the primary target, and the spinal cord tracts are not involved, so the most relevant site of dysfunction is the motor end-plate of skeletal muscles served by cranial nerves.

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