Which Transporters in the Proximal Tubule Are Polyspecific and Transport

question 41

Multiple Choice

Which transporters in the proximal tubule are polyspecific and transport drugs and toxins to the ultrafiltrate?

• A)water transporters
• B)renal aquaporins
• C)organic anion transporters
• D)toxiporins

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Definitions:

Variable Costing

A costing method that includes only variable production costs—direct materials, direct labor, and variable manufacturing overhead—in unit product costs.

Income From Operations

Earnings derived from a company's regular business activities, excluding revenues and expenses from non-operating activities.

Break-Even Point

The level of production or sales at which revenues equal expenses, resulting in zero profit or loss.

Operating Income

Earnings before interest and taxes, presenting a company's profit from regular operational activities.