Which of the Following Situations Occurs in Electrically Excitable Cells

question 22

Multiple Choice

Which of the following situations occurs in electrically excitable cells?

• A)When Na+ ion channels open,K+ ion channels close.
• B)The sodium-potassium exchange pump moves sodium into the cell.
• C)Depolarization causes voltage-gated sodium ion channels to open.
• D)Ligand-gated sodium ion channels are opened by high extracellular calcium levels.
• E)Proteins tend to diffuse out of the cell.

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Definitions:

Total Asset Turnover

A financial ratio that measures a company's efficiency in using its assets to generate sales revenue, calculated by dividing sales revenue by total assets.

Noncurrent Assets

Assets not expected to be converted into cash within one year or the operating cycle, including property, plant, and equipment.

Current Ratio

A liquidity ratio that measures a company's ability to pay short-term obligations with its short-term assets.

Stockholders' Equity

The residual interest in the assets of a corporation after deducting its liabilities, representing ownership's claim.