Myelinated Axons Have the Conduction Velocity of Much Larger Axons

question 37

Multiple Choice

Myelinated axons have the conduction velocity of much larger axons (unmyelinated of course) because of all the following reasons,except:

• A)voltage channels are only present at the nodes of Ranvier.
• B)saltatory conduction.
• C)more ion channels are present in myelinated axons.
• D)insulation.

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Definitions:

Break-Even Point

The financial state where total costs equal total revenues, meaning the business is not making a profit, but it's not losing money either.

Total Fixed Costs

The sum of all business expenses that remain constant regardless of production volume, such as rent, salaries, and insurance.

Variable Costs

Expenses that change in proportion to the activity of a business.

Economic Order Quantity

Orders replacements whenever inventory level falls to a predetermined point.