In Order to Regulate the PH of Extracellular Fluid,the Kidneys

question 86

Multiple Choice

In order to regulate the pH of extracellular fluid,the kidneys are able to adjust the excretion of:

• A)hydrogen ions.
• B)calcium.
• C)sodium.
• D)magnesium.
• E)potassium.

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Definitions:

Variable Costs

Costs that vary directly with the level of production or sales volume, such as raw materials and direct labor expenses.

Variable Cost

Expenses incurred by a business that vary directly with the level of production or sales volume, such as cost of goods sold.

Net Present Value

The difference between the present value of cash inflows and the present value of cash outflows over a period of time, used to assess the profitability of investments.

Discount Rate

An interest rate used by central banks to lend money to commercial banks, intended to influence the broader economy.