Which of the Following Statements Are True of Aldosterone? (Read

question 119

Multiple Choice

Which of the following statements are true of aldosterone? (Read carefully and select all of the correct statements.)

• A)It is secreted by the adrenal cortex.
• B)It increases the reabsorption of K⁺ ions by the kidneys.
• C)It increases the excretion of Na⁺ ions by the kidneys.
• D)Normal secretion helps maintain normal blood volume because water is reabsorbed by the kidneys.
• E)In the absence of aldosterone, blood pressure will rise to dangerous levels.
• F)Normal secretion helps prevent blood pH from rising too high.

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Definitions:

Opportunity Costs

The value of the best alternative forgone when a decision is made to pursue a particular course of action.

Mixed Costs

Mixed costs are expenses that contain both variable and fixed cost elements, changing in total with the level of activity but not directly in proportion to changes in activity level.

Sunk Costs

Costs that have already been incurred and cannot be recovered, and thus should not affect future investment or business decisions.

Variable Costs

Expenses that directly fluctuate in relation to the amount of goods produced or the volume of sales.