Which of the Following Is True of Myelination

question 62

Multiple Choice

Which of the following is true of myelination?

• A)Occurs only at the nodes of Ranvier
• B)Increases the speed of the action potential along the axon
• C)Is responsible for the gray appearance of gray matter
• D)Increases the synthesis of neurotransmitters

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Definitions:

Machine Hour

A unit of measure that represents the operation of machinery or equipment for one hour, used in allocating manufacturing overhead.

Least-squares Regression

A statistical method used to determine the relationship between variables by minimizing the sum of the squares of the differences between observed and predicted values.

Variable Lubrication Cost

Costs for lubricants that vary with the level of machinery activity or operation hours.

Mixed Cost

A cost consisting both of variable and fixed components, which changes in total in response to changes in activity level but not necessarily in direct proportion.