Which Statement About Na⁺ Reabsorption Is INCORRECT

question 113

Multiple Choice

Which statement about Na⁺ reabsorption is INCORRECT?

• A) It uses 80 percent of the energy requirement of the kidney.
• B) It is under control of the hormone aldosterone in the distal portions of the nephron.
• C) It is not linked to the reabsorption of amino acids and urea.

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Definitions:

Profit Margin

A financial metric that measures the amount of net income generated as a percentage of revenue.

Full Cost

The total cost associated with producing a product or providing a service, including both direct and indirect costs.

Contribution Margin

The amount by which the sale of products or services exceeds variable costs, contributing to the coverage of fixed costs and profit generation.

Machine Hour

A unit of measure representing an hour of operation of a machine, used in calculating the cost of running machinery for manufacturing.