Myasthenia Gravis Is a Form of Muscle Paralysis in Which

question 82

Multiple Choice

Myasthenia gravis is a form of muscle paralysis in which

• A) motor neurons lose their myelination and the ability to rapidly fire action potentials.
• B) acetylcholine receptors are destroyed by an overactive immune system.
• C) ATP production becomes uncoupled from mitochondrial electron transport.
• D) the spinal cord is infected with a virus that attacks muscle stretch receptors.
• E) troponin molecules become unable to bind calcium ions.