The Myelin Sheath Is Able to Increase the Speed the Axon

question 128

Multiple Choice

The myelin sheath is able to increase the speed the axon conducts neural impulses because it:

• A) insulates the neuron.
• B) allows the action potential to skip through the gray matter of the brain.
• C) has specialized vesicles that contain neurotransmitters.
• D) wraps around the dendrites and speeds transmission to the cell body.

---

Definitions:

Natural Monopolists

Entities that dominate a market due to inherent advantages, such as economies of scale, which prevent efficient competition.

Average Total Costs

The total of all costs associated with production divided by the number of units produced, giving the cost per unit.

Marginal Cost

The additional expense required to produce or supply one extra unit of a product.

Fixed Costs

Costs that do not vary with the level of production or sales, such as rent, salaries, and loan payments.