Because Axons in the Immature Mammalian CNS Are Not Yet

question 53

Multiple Choice

Because axons in the immature mammalian CNS are not yet myelinated, these neurons are more amenable to regeneration. Which of the following properties of myelin, therefore, would be responsible in preventing such regeneration from occurring?

• A) Insulating properties against action potential propagation
• B) Physical barrier to axons that are elongating
• C) Myelin's basic protein
• D) The propagation of inhibitory potentials
• E) Lowered neuronal resting membrane potential

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Definitions:

Partnership Interest

An ownership share in a partnership that represents a portion of the entity's assets and income.

Depreciate

To reduce the recorded value of an asset in financial accounts over its useful life to reflect wear and tear, obsolescence, or decline in value.

Holding Period

The length of time an investment is held before being sold, which can affect the capital gains tax owed upon sale.

FMV

Fair Market Value, the price at which property would change hands between a willing buyer and a willing seller, neither being under compulsion to buy or sell.