What Causes the Rapid Depolarization Phase of a Contractile Cell

question 69

Multiple Choice

What causes the rapid depolarization phase of a contractile cell action potential?

• A)sodium movement into the cell
• B)calcium movement out of the cell
• C)calcium movement into the cell
• D)sodium movement out of the cell
• E)potassium movement into the cell

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Definitions:

CCA Rate

The Capital Cost Allowance rate, which determines the percentage of an asset's cost that can be claimed as depreciation for tax purposes in Canada.

CCA

Capital Cost Allowance; a tax deduction in Canada for the depreciation of tangible property.

Earnings Before Interest And Taxes

A measure of a firm's profit that includes all income and expenses except interest and income tax expenses.

Retained Earnings

The portion of a company's profits that is kept or retained rather than distributed to shareholders or owners as dividends.