Which Cells Electrically Insulate Axons to Increase the Speed of Conduction

question 60

Multiple Choice

Which cells electrically insulate axons to increase the speed of conduction?

• A) Oligodendrocytes
• B) Schwann cells
• C) Astrocytes
• D) Both A and B

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Definitions:

Predetermined Overhead Rate

An estimated charge per unit of activity used to allocate manufacturing overhead costs to products, calculated at the beginning of a period based on expected costs and activity levels.

Variable Component

A portion of a cost or expense that varies directly with the level of activity or volume, such as the amount of raw materials used in production.

Fixed Manufacturing Overhead

The set amount of costs for production that do not vary with the level of output, such as salaries of supervisors and rent of the factory building.

Budget Variance

The financial difference between the budgeted amount and the actual amount spent or received.