Consider each of the choices separately and select all that apply.It can be inferred from the passag...【小站备考】

That axon malfunction plays a role in neurological disorders has never been in question by neurobiologists, but the nature of the relationship has been a matter of speculation. Enter George Bartzokis. Bartzokis’s neurological research at UCLA suggests that many previously little understood disorders such as Alzheimer’s disease may be explained by examining the role of the chemical compound myelin.

Myelin is produced by oligodendrocyte cells as a protective sheathing for axons within the nervous system. As humans mature and their neurochemistries grow more complex, oligodendrocyte cells produce increasing amounts of myelin to protect thebyzantinecircuitry inside our nervous systems. An apt comparison may be to the plastic insulation around copper wires. Bereft of myelin, certain areas of the brain may be left vulnerable to short circuiting, resulting in such disorders as ADHD, schizophrenia, or autism.

Question 20

Consider each of the choices separately and select all that apply.

It can be inferred from the passage that the author would be most likely to agree with which of the following statements regarding the role of myelin?

A. The levels of myelin in the brain can contribute to the neurological health of individuals.

B. Increasing the levels of myelin in the brain can reverse the effects of neurological damage.

C. The levels of myelin in the brain are not fixed throughout the lifetime of an individual.

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Question 20

Question 20

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