What Is the Function of Astrocytes

question 6

Multiple Choice

What is the function of astrocytes?

• A) They induce formation of the cerebro-spinal fluid.
• B) They are important in the repair of brain injuries and in neural scar formation.
• C) They take up excess H⁺ from the brain ECF.
• D) They line the fluid-filled cavities of the CNS.

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Definitions:

Direct Materials Quantity Variance

A measure of the difference between the actual quantity of materials used in production and the expected quantity, based on standards.

Total Direct Materials Cost Variance

The difference between the actual costs of direct materials used in production and the expected (or standard) costs.

Direct Materials Price

The cost of raw materials and components required for the manufacture of a product.

Direct Materials Quantity Variance

The difference between the actual quantity of materials used in production and the expected quantity, multiplied by the standard cost per unit.