Depolarization Occurs When

question 25

Multiple Choice

Depolarization occurs when:

• A)the difference in potential across the cell membrane is −70 mV
• B)the difference in potential across the cell membrane is −55 mV
• C)the neuron has reached its resting potential
• D)there is a discharge of sodium ions into the extracellular space

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Definitions:

Materials Price Variance

The difference between the actual cost of materials and the expected (standard) cost.

Raw Material

The basic material from which a product is made, used in the initial stages of production.

Materials Price Variance

The difference between the actual cost of materials and the standard cost multiplied by the quantities purchased.

Materials Quantity Variance

The difference between the actual quantity of materials used in production and the expected quantity, based on the standard cost.