The Following Questions Refer to Comparative Concentrations, Permeabilities, and Potentials

question 111

Multiple Choice

The following questions refer to comparative concentrations, permeabilities, and potentials under various circumstances. Indicate the relationship between the two items listed in each situation by following answer code.
-A. amount of Na? transported out of the cell by the Na?-K? pump
B. amount of K? transported into the cell by the Na?-K? pump

• A)A is greater than B
• B)B is greater than A
• C)A and B are equal

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Definitions:

Return on Investment

A measure used to evaluate the efficiency or profitability of an investment, calculated by dividing the benefit (return) of an investment by the cost of the investment.

Investment Center

A business unit within an organization that is responsible for its own revenues, expenses, and investments, and is evaluated on its return on investment.

Operating Assets

Assets that are used in the daily operations of a business to generate revenue, such as machinery, buildings, and equipment.

Controllable Margin

The portion of income that remains after deducting controllable expenses, indicating the earning performance that management can influence.