Myasthenia Gravis Is a Form of Muscle Paralysis in Which

question 68

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 recognized by antibodies and 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.

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