Subsequent to Motor Neuron Degeneration in Charcot-Marie-Tooth Disease,muscles Begin to Weaken

question 14

Multiple Choice

Subsequent to motor neuron degeneration in Charcot-Marie-Tooth disease,muscles begin to weaken and degenerate as well.What is the likely cause?

• A)Muscles will atrophy if they don't receive regular stimulation from motor neurons.
• B)Muscles require healthy Schwann cells for myelination as well.
• C)Muscles contain large numbers of mitochondria.
• D)Toxins leak out from the dying motor neurons onto the muscles.

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Definitions:

Stroma

The supportive tissue framework of an organ, gland, or other structure, often consisting of connective tissues and blood vessels.

Thylakoid Compartment

A membrane-bound structure within chloroplasts of plant cells and cyanobacteria, involved in the light-dependent reactions of photosynthesis.

Organic Material

Matter composed of organic compounds that has come from the remains of organisms such as plants and animals and their waste products in the environment.

Environment

The surrounding conditions, influences, or forces which affect the survival, development, and evolution of organisms or communities.